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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 5169.14-2007 |
Fire hazard testing for electric and eletronic products - Part 14: Test flames-1kW nominal pre-mixed flame - Apparatus,confirmatory test arrangement 电工电子产品着火危险试验 第14部分：试验火焰 1kW标称预混合型火焰 设备、确认试验方法和导则 |
China National Standards pp |
 English PDF |
| GB/T 2075-2007 |
Classification and application of hard cutting materials for metal removal with defined cutting edges ― Designation of the main groups and groups of application 切削加工用硬切削材料的分类和用途 大组和用途小组的分类代号 |
China National Standards pp |
English PDF |
| GB/T 4798.7-2007 |
Environmental conditions existing in the application of electric and electronic products - Section 7: Portable and non-stationary use 电工电子产品应用环境条件 第7部分：携带和非固定使用 |
China National Standards pp |
English PDF |
| GB/T 4798.5-2007 |
Environmental conditions existing in the application of electric and electronic products - Section 5: Ground vehicle installations 电工电子产品应用环境条件 第5部分：地面车辆使用 |
China National Standards pp |
English PDF |
| GB/T 4798.4-2007 |
Environmental conditions existing in the application of electric and electronic products - Section 4: Stationary use at non-weather-protected locations 电工电子产品应用环境条件 第4部分：无气候防护场所固定使用 |
China National Standards pp |
English PDF |
| GB/T 4798.3-2007 |
Environmental conditions existing in the application of electric and electronic products - Section 3: Stationary use at weather-protected locations 电工电子产品应用环境条件 第3部分：有气候防护场所固定使用 |
China National Standards pp |
English PDF |
| GB/T 10230.2-2007 |
Tap changers - Part 2: Application guide 分接开关 第2部分：应用导则 |
China National Standards pp |
English PDF |
| GB/T 21026-2007 |
Specification for Chinese office software application programming interface 中文办公软件应用编程接口规范 |
China National Standards pp |
English PDF |
| GB/T 15157.14-2007 |
Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment 频率低于3MHz的印制板连接器 第14部分: 音频、视频和音像设备用低音频及视频圆形连接器详细规范 |
China National Standards pp |
English PDF |
| GB/T 14805.4-2007 |
Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 4: Syntax and service report message for batch EDI (Message type_CONTRL） 行政、商业和运输业电子数据交换（EDIFACT) 应用级语法规则(语法版本号:4，语法发布号:1) 第4部分: 批式电子数据交换语法和服务报告报文(报文类型为CONTRL) |
China National Standards pp |
English PDF |
| GB/T 14805.3-2007 |
Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 3: Syntax rules specific to interactive EDI 行政、商业和运输业电子数据交换（EDIFACT) 应用级语法规则(语法版本号:4，语法发布号:1) 第3部分: 交互式电子数据交换专用的语法规则 |
China National Standards pp |
English PDF |
| GB/T 14805.2-2007 |
Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 2: Syntax rules specific to batch EDI 行政、商业和运输业电子数据交换（EDIFACT) 应用级语法规则(语法版本号:4，语法发布号:1) 第2部分: 批式电子数据交换专用的语法规则 |
China National Standards pp |
English PDF |
| GB/T 14805.1-2007 |
Electronic data interchange for administration,commerce andtransport (EDIFACT) - Application level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 1: Syntax rules common to all parts 行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号: 4，语法发布号:1) 第1部分：公用的语法规则 |
China National Standards pp |
English PDF |
| GB/T 16556-2007 |
self-contained open-circuit compressed air breathing apparatus 自给开路式压缩空气呼吸器 |
China National Standards pp |
English PDF |
| GB 14773-2007 |
Safety code for painting - Safety specification for electrostatic spray guns and associated apparatus 涂装作业安全规程 静电喷枪及其辅助装置安全技术条件 |
China National Standards pp |
English PDF |
| GB/T 6138.2-2007 |
Subland twist drills for holes prior to tapping screw threads - Part 2: The types and dimensions of Subland twist drills with Morse typer shanks 攻丝前钻孔用阶梯麻花钻 第2部分：莫氏锥柄阶梯麻花钻的型式和尺寸 |
China National Standards pp |
English PDF |
| GB/T 6138.1-2007 |
Subland twist drills for holes prior to tapping screw threads - Part 1: The types and dimensions of subland twist drills with cylindrical shanks 攻丝前钻孔用阶梯麻花钻 第1部分：直柄阶梯麻花钻的型式和尺寸 |
China National Standards pp |
English PDF |
| GB 16410-2007 |
Domestic gas cooking appliances 家用燃气灶具 |
China National Standards pp |
English PDF |
| GB/T 18802.341-2007 |
Components for low-voltage surge protective devices - Part 341: Secification for thyristor surge suppressors(TSS) 低压电涌保护器元件 第341部分：电涌抑制晶闸管（TSS）规范 |
China National Standards pp |
English PDF |
| GB/T 21043-2007 |
Instrument for soil test - Strain-controlled unconfined compression apparatus 土工试验仪器 应变控制式无侧限压缩仪 |
China National Standards pp |
English PDF |
| GB/T 12746-2007 |
Geotechnical engineering instrument for test penetration test apparatus 土工试验仪器 贯入仪 |
China National Standards pp |
English PDF |
| GB 3836.17-2007 |
Electrical apparatus for explosive gas atmosphere - Part 13: Construction and use of rooms or buildings protected by pressurization 爆炸性气体环境用电气设备 第17部分：正压房间或建筑物的结构和使用 |
China National Standards pp |
English PDF |
| GB 20936.1-2007 |
Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirement and test methods 可燃性气体探测用电气设备 第1部分：通用要求和试验方法 |
China National Standards pp |
English PDF |
| GB 19212.9-2007 |
Safety of power transformers,power supply units and similar devices - Part 9: Particular requirements for bell and chime transformers 电力变压器、电源装置和类似产品的安全 第9部分：电铃和电钟变压器的特殊要求 |
China National Standards pp |
English PDF |
| GB 17625.2-2007 |
Eiectromagnetic compatibility limits(EMC) - Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current ≤16A per phase and not subject to conditional connection 电磁兼容 限值 对每相额定电流≤16A且无条件接入的设备在公用低压供电系统中产生的电压变化、电压波动和闪烁的限制 |
China National Standards pp |
English PDF |
| GB/T 5246-2007 |
Electrolytic copper powder 电解铜粉 |
China National Standards pp |
English PDF |
| GB/T 4423-2007 |
Copper and copper-alloy cold-drawn rod and bar 铜及铜合金拉制棒 |
China National Standards pp |
English PDF |
| GB/T 20931.10-2007 |
Methods for chemical analysis of lithium - Determination of copper content - Flame atomic absorption spectrometric method 锂化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards pp |
English PDF |
| GB/T 20928-2007 |
Seamless inner grooved copper tube 无缝内螺纹铜管 |
China National Standards pp |
English PDF |
| GB/T 18033-2007 |
Seamless copper tubes for water and gas 无缝铜水管和铜气管 |
China National Standards pp |
English PDF |
| GB/T 7739.4-2007 |
Methods for chemical analysis of gold concentrates - Part 4：Determination of copper contents 金精矿化学分析方法 第4部分：铜量的测定 |
China National Standards pp |
English PDF |
| GB/T 20899.4-2007 |
Methods for chemical analysis of gold ores - Part 4：Determination of copper contents 金矿石化学分析方法 第4部分：铜量的测定 |
China National Standards pp |
English PDF |
| GB/T 20910-2007 |
Temperature/pressure safety valve for hot water supply system 热水系统用温度压力安全阀 |
China National Standards pp |
English PDF |
| GB/T 20902-2007 |
Specification for equipping and managing of the measuring instrument of energy in the nonferrous metals smelters 有色金属冶炼企业能源计量器具配备和管理要求 |
China National Standards pp |
English PDF |
| GB/T 20901-2007 |
Specification for equipping and managing of measuring instrument of energy in petroleum and petrochemical industry 石油石化行业能源计量器具配备和管理要求 |
China National Standards pp |
English PDF |
| GB/T 12936-2007 |
Solar energy - Thermal application - Terminology 太阳能热利用术语 |
China National Standards pp |
English PDF |
| GB/T 17470-2007 |
Glass fiber mats - chopped strand and continuous filament mats 玻璃纤维短切原丝毡和连续原丝毡 |
China National Standards pp |
English PDF |
| GB/T 20851.4-2007 |
Electronic toll collection - Dedicated short range communication - Part 4: Equipment application 电子收费 专用短程通信 第4部分：设备应用 |
China National Standards pp |
English PDF |
| GB/T 20851.3-2007 |
Electronic toll collection - Dedicated short range communication - Part 3: Application layer 电子收费 专用短程通信 第3部分：应用层 |
China National Standards pp |
English PDF |
| GB/T 16821-2007 |
General test methods of power supply equipments for telecommunications 通信用电源设备通用试验方法 |
China National Standards pp |
English PDF |
| GB/T 20846-2007 |
Shipbuilding - Ventilation and air-treatment of galleys and pantries with cooking appliances 造船 厨房和具有烹调设备的配餐室的通风及空气处理 |
China National Standards pp |
English PDF |
| GB 12476.3-2007 |
Electrical apparatus for use in the presence of combustible dust - part 3: Classfication of areas where combustible dusts are or may be present 可燃性粉尘环境用电气设备 第3部分：存在或可能存在可燃性粉尘的场所分类 |
China National Standards pp |
English PDF |
| GB/T 18015.42-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 42:Riser cables - Capability approval-Sectional specification 数字通信用对绞或星绞多芯对称电缆 第42部分：垂直布线电缆 能力认可 分规范 |
China National Standards pp |
English PDF |
| GB/T 18015.32-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 32: Work area wiring - Capability Approval - Sectional specification 数字通信用对绞或星绞多芯对称电缆 第32部分：工作区布线电缆 能力认可 分规范 |
China National Standards pp |
English PDF |
| GB/T 18015.22-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 22: Horizontal floor wiring - Capability Approval - Sectional specification 数字通信用对绞或星绞多芯对称电缆 第22部分：水平层布线电缆 能力认可 分规范 |
China National Standards pp |
English PDF |
| GB/T 18015.11-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 11: Capability Approval - Generic specification 数字通信用对绞或星绞多芯对称电缆 第11部分：能力认可 总规范 |
China National Standards pp |
English PDF |
| GB/T 15969.8-2007 |
Programmable controllers - Part 8: Guidelines for the application and implementation of programming languages 可编程序控制器 第8部分：编程语言的应用和实现导则 |
China National Standards pp |
English PDF |
| GB 9316-2007 |
Safety requirements for electronic flash apparatus for photographic purposes 摄影用电子闪光装置安全要求 |
China National Standards pp |
English PDF |
| GB/T 20838-2007 |
Specification and technical requirements of oil-immersed convertor transformers for HVDC applications 高压直流输电用油浸式换流变压器技术参数和要求 |
China National Standards pp |
English PDF |
| GB/T 20837-2007 |
Specification and technical requirements of oil-immersed smoothing reactors for HVDC applications 高压直流输电用油浸式平波电抗器技术参数和要求 |
China National Standards pp |
English PDF |
| GB/T 20836-2007 |
Oil-immersed smoothing reactors for HVDC applications 高压直流输电用油浸式平波电抗器 |
China National Standards pp |
English PDF |
| GB/T 18494.2-2007 |
Convertor transformers - Part 2: Transformers for HVDC applications 变流变压器 第2部分：高压直流输电用换流变压器 |
China National Standards pp |
English PDF |
| GB/T 20788-2006 |
Tearing choppers 饲草揉碎机 |
China National Standards pp |
English PDF |
| GB/T 20776-2006 |
classification for lifting appliances 起重机械分类 |
China National Standards pp |
English PDF |
| GB/T 5169.10-2006 |
Fire hazard testing for electric and electronic products - Part 10: Glow/hot-wire based test methods - Glow-wire apparatus and common test procedure 电工电子产品着火危险试验 第10部分：灼热丝/热丝基本试验方法 灼热丝装置和通用试验方法 |
China National Standards pp |
English PDF |
| GB/T 4798.10-2006 |
Environmental conditions existing in the application of electric and electronic products - Guidance 电工电子产品应用环境条件 导言 |
China National Standards pp |
English PDF |
| GB/T 4797.4-2006 |
Environmental conditions appearing in nature for electric and electronic products - Solar radiation and temperature 电工电子产品 自然环境条件 太阳辐射与温度 |
China National Standards pp |
English PDF |
| GB/T 5053.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 12 N (normal) for vehicles with 12 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯12V标准型（12N） |
China National Standards pp |
English PDF |
| GB/T 5053.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 24 N (normal) for vehicles with 24 V nominal supply voltage 道路车辆 牵引车与挂车之间电连接器 7芯24V标准型(24N) |
China National Standards pp |
English PDF |
| GB/T 20718-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 13-pole connector for vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 12V13芯型 |
China National Standards pp |
English PDF |
| GB/T 20717-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - 15-pole connector for vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 24V15芯型 |
China National Standards pp |
English PDF |
| GB/T 20716.2-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 2: Connectors for braking systems and running gears of vehicles with 12V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第2部分：12V标称电压车辆的制动系统和行走系的连接 |
China National Standards pp |
English PDF |
| GB/T 20716.1-2006 |
Road vehicles - Connectors for the electrical connection of towing and towed vehicles - Part 1: Connectors for braking systems and running gears of vehicles with 24V nominal supply voltage 道路车辆 牵引车和挂车之间的电连接器 第1部分：24V标称电压车辆的制动系统和行走系的连接 |
China National Standards pp |
English PDF |
| GB/T 20703-2006 |
Electrical installations in ships equipment - Heating and cooking appliances 船舶电气装置 取暖和烹调电器 |
China National Standards pp |
English PDF |
| GB/T 20661-2006 |
Petroleum and natural gas industries - Flexible pipe systems for subsea and marine riser applications 石油和天然气工业 用于海底和海洋立管的挠性管系统 |
China National Standards pp |
English PDF |
| GB/T 19659.4-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 4: Reference description for Ethernet-based control systems 工业自动化系统与集成 开放系统应用集成框架 第4部分：基于以太网控制系统的参考描述 |
China National Standards pp |
English PDF |
| GB/T 19659.3-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 3: Reference description for IEC 61158-based control systems 工业自动化系统与集成 开放系统应用集成框架 第3部分：基于IEC 61158控制系统的参考描述 |
China National Standards pp |
English PDF |
| GB/T 19659.2-2006 |
Industrial automation systems and integration - Open systems application integration framework - Part 2: Reference description for ISO 11898-based control systems 工业自动化系统与集成 开放系统应用集成框架 第2部分：基于ISO 11898的控制系统的参考描述 |
China National Standards pp |
English PDF |
| GB/T 4169.10-2006 |
Components of injection moulds for plastics - Part 10: Support pillar 塑料注射模零件 第10部分：支承柱 |
China National Standards pp |
English PDF |
| GB/T 17574.11-2006 |
Semiconductor devices - Integrated circuits - Part 2-11: Digital integrated circuits - Blank detail specification for single supply integrated circuit electrically erasable and programmable read-only memory 半导体器件 集成电路 第2-11部分：数字集成电路 单电源集成电路电可擦可编程只读存储器 空白详细规范 |
China National Standards pp |
English PDF |
| GB 15092.4-2006 |
Switches for appliances Part 2：Particular requirements for independently mounted switches 器具开关 第2部分:独立安装开关的特殊要求 |
China National Standards pp |
English PDF |
| GB/T 14048.8-2006 |
Low-voltage switchgear and controlgear - Part 7-2: Ancillary equipment - Protective conductor terminal blocks for copper conductors 低压开关设备和控制设备 第7-2部分：辅助器件 铜导体的保护导体接线端子排 |
China National Standards pp |
English PDF |
| GB/T 14048.7-2006 |
Low-voltage switchgear and controlgear - Part 7-1: Ancillary equipment - Terminal blocks for copper conductors 低压开关设备和控制设备 第7-1部分：辅助器件 铜导体的接线端子排 |
China National Standards pp |
English PDF |
| GB/T 20645-2006 |
Specific environmental condition - Technical requirements of low-voltage apparatuses for plateau 特殊环境条件 高原用低压电器技术要求 |
China National Standards pp |
English PDF |
| GB/T 20639-2006 |
Artificial pollution testing of non-linear resistor type gapped arresters 有间隙阀式避雷器人工污秽试验 |
China National Standards pp |
English PDF |
| GB/T 20638-2006 |
General specification for stepping motors 步进电动机通用技术条件 |
China National Standards pp |
English PDF |
| GB/T 20636-2006 |
Connecting device - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Particular requirements for conductors above 35mm2 up to 300mm2 连接器件 电气铜导线 螺纹型和非螺纹型夹紧件的安全要求 适用于35mm2以上至300mm2导线的特殊要求 |
China National Standards pp |
English PDF |
| GB/T 20635-2006 |
Special environment condition - Technical requirements of high voltage apparatus used for plateau 特殊环境条件 高原用高压电器的技术要求 |
China National Standards pp |
English PDF |
| GB/T 10236-2006 |
Guide for compatibility and protection of interference effects between semiconductor convertors and power supply system 半导体变流器与供电系统的兼容及干扰防护导则 |
China National Standards pp |
English PDF |
| GB/Z 20541.2-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems Type 10：PROFINET Specification - Part 2: Application Layer protocol specification 测量和控制数字数据通信 工业控制系统用现场总线 类型10：PROFINET规范 第2部分：应用层协议规范 |
China National Standards pp |
English PDF |
| GB/Z 20541.1-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial control systems Type 10：PROFINET Specification - Part 1: Application layer service definition 测量和控制数字数据通信 工业控制系统用现场总线 类型10：PROFINET规范 第1部分：应用层服务定义 |
China National Standards pp |
English PDF |
| GB/T 20540.6-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 6: Application layer protocol specification 测量和控制数字数据通信 工业控制系统用现场总线 类型3：PROFIBUS规范 第6部分：应用层协议规范 |
China National Standards pp |
English PDF |
| GB/T 20540.5-2006 |
Digital data communication for measurement and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 5: Application layer service definition 测量和控制数字数据通信 工业控制系统用现场总线 类型3：PROFIBUS规范 第5部分：应用层服务定义 |
China National Standards pp |
English PDF |
| GB/T 8752-2006 |
Anodizing of aluminium and its alloys - Check of continuity of thin anodic oxide coating - Copper sulphate test 铝及铝合金阳极氧化 薄阳极氧化膜连续性检验方法 硫酸铜法 |
China National Standards pp |
English PDF |
| GB/T 8647.6-2006 |
The methods for chemical analysis of nickel - Determination of cadmium，cobalt，copper，manganese，lead and zinc contents - Flame atomic absorption spectrometric method 镍化学分析方法 镉、钴、铜、锰、铅、锌量的测定 火焰原子吸收光谱法 |
China National Standards pp |
English PDF |
| GB/T 8647.10-2006 |
The methods for chemical analysis of nickel - Determination of arsenic,cadmium,lead,zinc,antimony,bismuth,tin,cobalt,copper,manganese,magnesium,silicon,aluminium,iron contents - Atomic emission spectrometric method 镍化学分析方法 砷、镉、铅、锌、锑、铋、锡、钴、铜、锰、镁、硅、铝、铁量的测定 发射光谱法 |
China National Standards pp |
English PDF |
| GB/T 20509-2006 |
Copper and copper alloys drawing stock for the contacting materials of electric locomotives 电力机车接触材料用铜及铜合金线坯 |
China National Standards pp |
English PDF |
| GB/T 16866-2006 |
Dimensions and tolerances of copper and copper alloy seamless tubes 铜及铜合金无缝管材外形尺寸及允许偏差 |
China National Standards pp |
English PDF |
| GB/T 1527-2006 |
Drawn tube of copper and copper alloys 铜及铜合金拉制管 |
China National Standards pp |
English PDF |
| GB/T 13587-2006 |
Scraps of copper and copper alloy 铜及铜合金废料 |
China National Standards pp |
English PDF |
| GB/T 11067.2-2006 |
Methods for chemical analysis of silver - Determination of copper contents - Flame atomic absorption spectrometric method 银化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards pp |
English PDF |
| GB/T 19256.2-2006 |
Electronic business eXtensible Markup Language(ebXML) - Part 2: Collaboration-Protocol Profile and agreement specification(ebCpp) 基于XML的电子商务 第2部分：协同规程轮廓与协议规范 |
China National Standards pp |
English PDF |
| GB/T 27050.2-2006 |
Conformity assessment―Supplier’s declaration of conformity―Part 2: Supporting documentation 合格评定 供方的符合性声明 第2部分：支持性文件 |
China National Standards pp |
English PDF |
| GB/T 27050.1-2006 |
Conformity assessment―Supplier’s declaration of conformity―part 1: General requirements 合格评定 供方的符合性声明 第1部分：通用要求 |
China National Standards pp |
English PDF |
| GB/T 20646-2006 |
Rubber compounding ingredients - p-Phenylenediamine(ppD) antioxidants - Test methods 橡胶配合剂 对苯二胺（PPD)防老剂试验方法 |
China National Standards pp |
English PDF |
| GB 4706.12-2006 |
Safety of household and similar electrical appliances―Particular requirements for storage water heaters 家用和类似用途电器的安全 储水式热水器的特殊要求 |
China National Standards pp |
English PDF |
| GB 14536.18-2006 |
Automatic electrical controls for household and similar use - Particular requirements for automatic electrical water level controls of the float type for household and similar applications 家用和类似用途电自动控制器 家用和类似应用浮子型水位控制器的特殊要求 |
China National Standards pp |
English PDF |
| GB/T 8152.7-2006 |
Methods for chemical analysis of lead concentrates―Determination of copper content―Flame atomic absorption spectrometric method 铅精矿化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards pp |
English PDF |
| GB/T 1819.14-2006 |
Methods for chemical analysis of tin concentrates―Determination of copper content―Flame atomic absorption spectrometric method 锡精矿化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards pp |
English PDF |
| GB/T 3781.6-2006 |
Acetylene black―Part 6: Determination of apparent specific volume 乙炔炭黑 第6部分 视比容的测定 |
China National Standards pp |
English PDF |
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