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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 20629.1-2006 |
Non-cellulosic paper for electrical purposes - Part 1: Definitions and general requiremENTs 电气用非纤维素纸 第1部分：定义和一般要求 |
China National Standards ENT |
 English PDF |
| GB/T 20628.1-2006 |
Specification for cellulosic papers for electrical purposes - Part 1: Definitions and general requiremENTs 电气用纤维素纸 第1部分：定义和一般要求 |
China National Standards ENT |
English PDF |
| GB/T 20627.1-2006 |
Specification for glass and glass polyester fibre woven tapes - Part 1: Definitions, classification and general requiremENTs 玻璃及玻璃聚酯纤维机织带规范 第1部分：定义、分类和一般要求 |
China National Standards ENT |
English PDF |
| GB/T 20626.3-2006 |
Specific environmENTal condition - Electric and electronic products for plateau - Part 3: Protection requiremrnt of thunder and lightning, filth, condensation 特殊环境条件 高原电工电子产品 第3部分：雷电、污秽、凝露的防护要求 |
China National Standards ENT |
English PDF |
| GB/T 20626.2-2006 |
Specific environmENTal condition - Electrical and electronic products for plateau - Part 2: Selective types and testing specification 特殊环境条件 高原电工电子产品 第2部分：选型和检验规范 |
China National Standards ENT |
English PDF |
| GB/T 20626.1-2006 |
Specific environmENTal condition - Electric and electronic products for plateau - Part 1: General technical requirements 特殊环境条件 高原电工电子产品 第1部分：通用技术要求 |
China National Standards ENT |
English PDF |
| GB/T 20625-2006 |
Special environmENTal condition - Terminology 特殊环境条件 术语 |
China National Standards ENT |
English PDF |
| GB/T 1408.2-2006 |
Electrical strength of insulating materials - Test methods - Part 2: Additional requiremENTs for tests using direct voltage 绝缘材料电气强度试验方法 第2部分：对应用直流电压试验的附加要求 |
China National Standards ENT |
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 ENT |
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 ENT |
English PDF |
| GB/T 14048.15-2006 |
Low-voltage switchgear and controlgear - Part 5-6: Control circuit devices and switching elemENTs - DC interface for proximity sensors and switching amplifiers(NAMUR) 低压开关设备和控制设备 第5-6部分：控制电路电器和开关元件-接近传感器和开关放大器的DC接口（NAMUR） |
China National Standards ENT |
English PDF |
| GB/T 14048.14-2006 |
Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elemENTs - Electrical emergency stop device with mechanical latching function 低压开关设备和控制设备 第5-5部分：控制电路电器和开关元件-具有机械锁闩功能的电气紧急制动装置 |
China National Standards ENT |
English PDF |
| GB/T 14048.13-2006 |
Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elemENTs - Requirements for proximity devices with defined behaviour under fault conditions(PDF) 低压开关设备和控制设备 第5-3部分：控制电路电器和开关元件-在故障条件下具有确定功能的接近开关（PDF）的要求 |
China National Standards ENT |
English PDF |
| GB/T 1310.1-2006 |
Varnished fabrics for electrical purposes - Part 1: Definitions and general requiremENTs 电气用浸渍织物 第1部分：定义和一般要求 |
China National Standards ENT |
English PDF |
| GB/T 20640-2006 |
Electrical accessories - Circuit-breakers and similar equipmENT for household use - Auxiliary contact units 电气附件 家用断路器和类似设备 辅助触头组件 |
China National Standards ENT |
English PDF |
| GB/T 8910.6-2006 |
Hand-held portable power tools - MeasuremENTs of vibrations at the handle - Part 6: Impact drills 手持便携式动力工具 手柄振动测量方法 第6部分: 冲击钻 |
China National Standards ENT |
English PDF |
| GB/T 2423.56-2006 |
EnvironmENTal testing for electric and electronic products - Part 2: Test methods - Test Fh: Vibration、broad-band random(digital control) and guidance 电工电子产品环境试验 第2部分：试验方法 试验Fh：宽带随机振动（数字控制）和导则 |
China National Standards ENT |
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 ENT |
English PDF |
| GB/T 20644.2-2006 |
Specific environmENTal condition - Guidance for choosing - Part 2: Polymer materials 特殊环境条件 选用导则 第2部分：高分子材料 |
China National Standards ENT |
English PDF |
| GB/T 20644.1-2006 |
Special environmENTal condition - Guidance for choosing - Part 1: Metals protection 特殊环境条件 选用导则 第1部分：金属表面防护 |
China National Standards ENT |
English PDF |
| GB/T 20643.3-2006 |
Special environmENTal condition - Environmental test method - Part 3: Artificial environmental test method and guidance - Polymer material 特殊环境条件 环境试验方法 第3部分：人工模拟试验方法及导则 高分子材料 |
China National Standards ENT |
English PDF |
| GB/T 20643.1-2006 |
Special environmENTal condition - Environmental test method - Part 1: General and guidance 特殊环境条件 环境试验方法 第1部分：总则 |
China National Standards ENT |
English PDF |
| GB/T 20637-2006 |
Electrical installations in ships - Shipboard power cables - General construction and test requiremENTs 船舶电气装置 船用电力电缆 一般结构和试验要求 |
China National Standards ENT |
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 ENT |
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 ENT |
English PDF |
| GB/T 13324-2006 |
Terminology of heat treatmENT equipment 热处理设备术语 |
China National Standards ENT |
English PDF |
| GB/T 20612.2-2006 |
Traffic and Traveler Information(TTI) - TTI messages via traffic message coding - Part 2: EvENT and information codes for Radio Data System - Traffic Message Channel(RDS-TMC） 交通及出行者信息（TTI）经交通报文编码的TTI报文 第2部分：广播数据系统-交通报文频道（RDS-TMC）的事件和信息编码 |
China National Standards ENT |
English PDF |
| GB/T 20611-2006 |
IntelligENT Transport System（ITS）- Central data registry - Requirements for data management mechanism 智能运输系统 中央数据登记簿 数据管理机制要求 |
China National Standards ENT |
English PDF |
| GB/T 20608-2006 |
IntelligENT transportation systems - Adaptive cruise control systems -Performance requirements and test procedures 智能运输系统 自适应巡航控制系统 性能要求与检测方法 |
China National Standards ENT |
English PDF |
| GB/T 20607-2006 |
IntelligENT transport systems - Architecture - Services 智能运输系统 体系结构 服务 |
China National Standards ENT |
English PDF |
| GB/T 20606-2006 |
IntelligENT transport systems - Requirements for data dictionaries 智能运输系统 数据字典要求 |
China National Standards ENT |
English PDF |
| GB/T 9739-2006 |
Chemical reagENT - General method for the determination of iron 化学试剂 铁测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 672-2006 |
Chemical reagENT - Magnesium chloride hexahydrate 化学试剂 六水合氯化镁(氯化镁) |
China National Standards ENT |
English PDF |
| GB/T 658-2006 |
Chemical reagENT - Ammonium chloride 化学试剂 氯化铵 |
China National Standards ENT |
English PDF |
| GB/T 637-2006 |
Chemical reagENT - Sodium thiosulfate pentahydrate 化学试剂 五水合硫代硫酸钠(硫代硫酸钠) |
China National Standards ENT |
English PDF |
| GB/T 626-2006 |
Chemical reagENT - Nitric acid 化学试剂 硝酸 |
China National Standards ENT |
English PDF |
| GB/T 622-2006 |
Chemical reagENT - Hydrochloric acid 化学试剂 盐酸 |
China National Standards ENT |
English PDF |
| GB/T 618-2006 |
Chemical reagENT - General method for the determination of crystallizing point 化学试剂 结晶点测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 617-2006 |
Chemical reagENT - General method for the determination of melting range 化学试剂 熔点范围测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 616-2006 |
Chemical reagENT - General method for the determination of boiling point 化学试剂 沸点测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 615-2006 |
Chemical reagENT - General method for the determination of distillation range 化学试剂 沸程测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 614-2006 |
Chemical reagENT - General method for the determination of refractive index 化学试剂 折光率测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 611-2006 |
Chemical reagENT - General method for the determination of density 化学试剂 密度测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 609-2006 |
Chemical reagENT - General method for the determination of total nitrogen 化学试剂 总氮量测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 605-2006 |
Chemical reagENT - General method for the measurement of colour 化学试剂 色度测定通用方法 |
China National Standards ENT |
English PDF |
| GB/T 683-2006 |
Chemical reagENT - Methanol 化学试剂 甲醇 |
China National Standards ENT |
English PDF |
| GB/T 6730.9-2006 |
Iron ores - Determination of silicon contENTs - The silicomolybdic blue spectrophotometric method reduce by ammonium ferrous sulfate 铁矿石 硅含量的测定 硫酸亚铁铵还原-硅钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 6730.46-2006 |
Iron ores - Determination of arsenic contENT - Arseno-molybdenum blue spectrophotometric method after the distillation separation 铁矿石 砷含量的测定 蒸馏分离-砷钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 6730.45-2006 |
Iron ores - Determination of arsenic contENT - Arseno-molybdenum blue spectrophotometric method after hydrogen arsenide separation 铁矿石 砷含量的测定 砷化氢分离-砷钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 6730.25-2006 |
Iron ores - Determination of total rare earth contENTs - Oxalate gravimetric method 铁矿石 稀土总量的测定 草酸盐重量法 |
China National Standards ENT |
English PDF |
| GB/T 6730.24-2006 |
Iron ores - Determination of total rare earth contENTs - Chlorophosphonazo mA spectrophotometric method 铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 6730.23-2006 |
Iron ores - Determination of titanium contENT - The ferric ammonium sulfate titrimetric method 铁矿石 钛含量的测定 硫酸铁铵滴定法 |
China National Standards ENT |
English PDF |
| GB/T 6730.18-2006 |
Iron ores - Determination of phosphorus contENT - Molybdenum blue spectrophotometric method 铁矿石 磷含量的测定 钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 18876.2-2006 |
Standard practice for determining the metallographical constituENT and inclusion content of steels and other metals by automatic image analysis - Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology 应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第2部分：钢中夹杂物级别的图像分析与体视学测定 |
China National Standards ENT |
English PDF |
| GB/T 20563-2006 |
Radio-frequency idENTification of animals - Code structure 动物射频识别 代码结构 |
China National Standards ENT |
English PDF |
| GB/T 19042.5-2006 |
Evaluation and routine testing in medical imaging departmENTs - Part 3-5: Acceptance tests-Imaging performances of computed tomography X-ray equipment 医用成像部门的评价及例行试验 第3-5部分：X射线计算机体层摄影设备成像性能验收试验 |
China National Standards ENT |
English PDF |
| GB 9706.18-2006 |
Medical electrical equipmENT - Part 2: Particular requirements for the safety of X-ray equipment for computed tomography 医用电气设备 第2部分：X射线计算机体层摄影设备安全专用要求 |
China National Standards ENT |
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 ENT |
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 ENT |
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 ENT |
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 ENT |
English PDF |
| GB/T 20540.4-2006 |
Digital data communication for measuremENT and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 4: Data link 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4部分：数据链路层协议规范 |
China National Standards ENT |
English PDF |
| GB/T 20540.3-2006 |
Digital data communication for measuremENT and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification -Part 3: Data link 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3部分：数据链路层服务定义 |
China National Standards ENT |
English PDF |
| GB/T 20540.2-2006 |
Digital data communication for measuremENT and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 2: Physical layer specification and 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2部分：物理层规范和服务定义 |
China National Standards ENT |
English PDF |
| GB/T 20540.1-2006 |
Digital data communication for measuremENT and control - Fieldbus for use in industrial systems Type 3: PROFIBUS specification - Part 1: Overview and guidance 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1部分：概述和导则 |
China National Standards ENT |
English PDF |
| GB/T 20524-2006 |
Agriculture and forest microclimate measuring instrumENT 农林小气候观测仪 |
China National Standards ENT |
English PDF |
| GB/T 18759.2-2006 |
Electrical equipmENT of machines - Open numerical control system - Part 2: System architecture 机械电气设备 开放式数控系统 第2部分：体系结构 |
China National Standards ENT |
English PDF |
| GB/T 6495.9-2006 |
Photovoltaic devices - Part 9: Solar simulator performance requiremENTs 光伏器件 第9部分：太阳模拟器性能要求 |
China National Standards ENT |
English PDF |
| GB/T 20513-2006 |
Photovoltaic system performance monitoring - Guidelines for measuremENT, data exchange and analysis 光伏系统性能监测 测量、数据交换和分析导则 |
China National Standards ENT |
English PDF |
| GB/T 14282.3-2006 |
InstrumENT landing system (ILS) - Part 3: Performance requirements and test methods for ILS localizer 仪表着陆系统（ILS）第3部分： 航向信标性能要求和测试方法 |
China National Standards ENT |
English PDF |
| GB/T 14282.1-2006 |
InstrumENT landing system (ILS) - Part 1: Performance requirements and test methods of glide path beacon 仪表着陆系统(ILS) 第1部分：下滑信标性能要求和测试方法 |
China National Standards ENT |
English PDF |
| GB/T 20530-2006 |
Guide for the digitize processing of documENT and archives 文献档案资料数字化工作导则 |
China National Standards ENT |
English PDF |
| GB/T 20529.1-2006 |
Guide of ENTerprise information classifying and coding - Part 1: Principle and method 企业信息分类编码导则 第1部分：原则与方法 |
China National Standards ENT |
English PDF |
| GB/T 20528.1-2006 |
Ergonomic requiremENTs for work with visual displays based on flat panels - Part 1: Introduction 使用基于平板视觉显示器工作的人类工效学要求 第1部分：概述 |
China National Standards ENT |
English PDF |
| GB/T 1251.2-2006 |
Ergonomics - Visual danger signals - General requiremENTs,design and testing 人类工效学 险情视觉信号 一般要求、设计和检验 |
China National Standards ENT |
English PDF |
| GB/T 3007-2006 |
Refractories - Determination of moisture contENT 耐火材料 含水量试验方法 |
China National Standards ENT |
English PDF |
| GB 20555-2006 |
OriENTal river prawn 日本沼虾 |
China National Standards ENT |
English PDF |
| GB/T 27067-2006 |
Conformity assessmENT - Fundamental of product certification 合格评定 产品认证基础 |
China National Standards ENT |
English PDF |
| GB/T 27030-2006 |
Conformity assessmENT - General requirements for third-party marks of conformity 合格评定 第三方符合性标志的通用要求 |
China National Standards ENT |
English PDF |
| GB/T 20523-2006 |
Composition and calculation of ENTerprise logistics cost 企业物流成本构成与计算 |
China National Standards ENT |
English PDF |
| GB/T 50380-2006 |
Code for quality managemENT of engineering design enterprises 工程建设设计企业质量管理规范 |
China National Standards ENT |
English PDF |
| GB/T 50379-2006 |
Code for quality managemENT of geotechnical investigation enterprises 工程建设勘察企业质量管理规范 |
China National Standards ENT |
English PDF |
| GB/T 8754-2006 |
Anodizing of aluminium and its alloys - Insulation check by measuremENT of breakdown potential 铝及铝合金阳极氧化 阳极氧化膜绝缘性的测定 击穿电位法 |
China National Standards ENT |
English PDF |
| GB/T 8647.9-2006 |
The methods for chemical analysis of nickel - Determination of carbon contENT - Infra-red absorption method after high frequency induction furnace combustion 镍化学分析方法 碳量的测定 高频感应炉燃烧红外吸收法 |
China National Standards ENT |
English PDF |
| GB/T 8647.8-2006 |
The methods for chemical analysis of nickel - Determination of sulphur contENT - Infra-red absorption method after high frequency induction furnace combustion 镍化学分析方法 硫量的测定 高频感应炉燃烧红外吸收法 |
China National Standards ENT |
English PDF |
| GB/T 8647.7-2006 |
The methods for chemical analysis of nickel - Determination of arsenic,antimony,bismuth,tin and lead contENTs - Electrothermal atomic absorption spectrometric method 镍化学分析方法 砷、锑、铋、锡、铅量的测定 电热原子吸收光谱法 |
China National Standards ENT |
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 ENT |
English PDF |
| GB/T 8647.5-2006 |
The methods for chemical analysis of nickel - Determination of magnesium contENT - Flame atomic absorption spectrometric method 镍化学分析方法 镁量的测定 火焰原子吸收光谱法 |
China National Standards ENT |
English PDF |
| GB/T 8647.4-2006 |
The methods for chemical analysis of nickel - Determination of phosphorous contENT - Molybdenum blue spectrophotometric method 镍化学分析方法 磷量的测定 钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 8647.3-2006 |
The methods for chemical analysis of nickel - Determination of silicon contENT - Molybdenum blue spectrophotometric method 镍化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards ENT |
English PDF |
| GB/T 8647.2-2006 |
The methods for chemical analysis of nickel - Determination of aluminium contENT - Electrothermal atomic absorption spectrometric method 镍化学分析方法 铝量的测定 电热原子吸收光谱法 |
China National Standards ENT |
English PDF |
| GB/T 8647.1-2006 |
The methods for chemical analysis of nickel - Determination of iron contENT - Sulfosalicylic acid spectrophotometric method 镍化学分析方法 铁量的测定 磺基水杨酸分光光度法 |
China National Standards ENT |
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 ENT |
English PDF |
| GB/T 5243-2006 |
Marking,packing,transport and storage of cemENTed carbide products 硬质合金制品的标志、包装、运输和贮存 |
China National Standards ENT |
English PDF |
| GB/T 5242-2006 |
Check rules and test methods of cemENTed carbide products 硬质合金制品检验规则与试验方法 |
China National Standards ENT |
English PDF |
| GB/T 20506-2006 |
Anodizing of aluminium and its alloys - MeasuremENT of reflectivity characteristics of aluminium surfaces using abridged goniophotometer or goniophotometer 铝及铝合金阳极氧化 阳极氧化膜表面反射特性的测定 遮光角度仪或角度仪法 |
China National Standards ENT |
English PDF |
| GB/T 20505-2006 |
Anodizing of aluminium and its alloys - MeasuremENT of reflectance characteristics of aluminium surfaces using integrating - Sphere instruments 铝及铝合金阳极氧化 阳极氧化膜表面反射特性的测定 积分球法 |
China National Standards ENT |
English PDF |
| GB/T 20503-2006 |
Anodizing of aluminium and its alloys - MeasuremENT of specular reflectance and specular gloss at angles of 20°,45°,60°or 85° 铝及铝合金阳极氧化 阳极氧化膜镜面反射率和镜面光泽度的测定 20°、45°、60°、85°角度方向 |
China National Standards ENT |
English PDF |
| GB/T 11067.6-2006 |
Methods for chemical analysis of silver - Determination of iron contENTs - Flame atomic absorption spectrometric method 银化学分析方法 铁量的测定 火焰原子吸收光谱法 |
China National Standards ENT |
English PDF |
| GB/T 11067.5-2006 |
Methods for chemical analysis of silver - Determination of lead and bismuth contENTs - Flame atomic absorption spectrometric method 银化学分析方法 铅和铋量的测定 火焰原子吸收光谱法 |
China National Standards ENT |
English PDF |
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