China PP GB Standards English PDF List

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.

China "PP" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 21414-2008	Railway aPPlications - Rolling stock - Protective provisions against electrical hazards 铁路应用机车车辆电气隐患防护的规定	China National Standards PP	English PDF
GB/T 21413.5-2008	Railway aPPlications - Electric equipment for rolling stock - Part 5: Electrotechnical components - Rules for HV rules 铁路应用机车车辆电气设备第5部分: 电工器件高压熔断器规则	China National Standards PP	English PDF
GB/T 21413.4-2008	Railway aPPlications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers 铁路应用机车车辆电气设备第4部分: 电工器件交流断路器规则	China National Standards PP	English PDF
GB/T 21413.3-2008	Railway aPPlications - Electric equipment for rolling stock - Part 3: Electrotechnical components - Rules for d.c. circuit-breakers 铁路应用机车车辆电气设备第3部分: 电工器件直流断路器规则	China National Standards PP	English PDF
GB/T 21413.2-2008	Railway aPPlications - Electric equipment for rolling stock - Part 2: Electrotechnical compoents - General rules 铁路应用机车车辆电气设备第2部分: 电工器件通用规则	China National Standards PP	English PDF
GB/T 21413.1-2008	Railway aPPlications - Electric equipment for rolling stock - Part 1: General service conditions and general rules 铁路应用机车车辆电气设备第1部分: 一般使用条件和通用规则	China National Standards PP	English PDF
GB/T 6113.204-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 2-4: Methods of measurement of disturbances and immunity - Immunity measurements 无线电骚扰和抗扰度测量设备和测量方法规范第2-4部分：无线电骚扰和抗扰度测量方法抗扰度测量	China National Standards PP	English PDF
GB/T 6113.203-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 2-3: Methods of measurement of disturbances and immunity - Radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第2-3部分：无线电骚扰和抗扰度测量方法辐射骚扰测量	China National Standards PP	English PDF
GB/T 6113.202-2008	Specification for radio disturbance and immunity measuring aPParatus and methods-Part2-2:Methods of measurement of disturbances and immunity-Measurement of disturbance power 无线电骚扰和抗扰度测量设备和测量方法规范第2-2部分：无线电骚扰和抗扰度测量方法骚扰功率测量	China National Standards PP	English PDF
GB/T 6113.201-2008	Specification for radio disturbance and immunity measuring aPParatus and methods Part 2-1: Methods of measurement of disturbances and immunity - Conducted disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范第2-1部分：无线电骚扰和抗扰度测量方法传导骚扰测量	China National Standards PP	English PDF
GB/T 6113.105-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 1-5: Radio disturbance and immunity measuring apparatus - Antenna calibration test sites for 30MHz to 1000MHz 无线电骚扰和抗扰度测量设备和测量方法规范第1-5部分: 无线电骚扰和抗扰度测量设备 30MHz～1000MHz天线校准用试验场地	China National Standards PP	English PDF
GB/T 6113.104-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 1-4: Radio disturbance and immunity measuring apparatus-Ancillary equipment - Radiated disturbances 无线电骚扰和抗扰度测量设备和测量方法规范第1-4部分：无线电骚扰和抗扰度测量设备辅助设备辐射骚扰	China National Standards PP	English PDF
GB/T 6113.103-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 1-3: Radio disturbance and immunity measuring apparatus-Ancillary equipment - Disturbances power 无线电骚扰和抗扰度测量设备和测量方法规范第1-3部分: 无线电骚扰和抗扰度测量设备辅助设备骚扰功率	China National Standards PP	English PDF
GB/T 6113.102-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 1-2: Radio disturbance and immunity measuring apparatus-Ancillary equipment - Conducted disturbances 无线电骚扰和抗扰度测量设备和测量方法规范第1-2部分：无线电骚扰和抗扰度测量设备辅助设备传导骚扰	China National Standards PP	English PDF
GB/T 6113.101-2008	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 1-1: Radio disturbance and immunity measuring apparatus - Measuring apparatus 无线电骚扰和抗扰度测量设备和测量方法规范第1-1部分：无线电骚扰和抗扰度测量设备测量设备	China National Standards PP	English PDF
GB/T 21369-2008	Specification for equiPPing and managing of measuring instrument of energy in fossil power plants 火力发电企业能源计量器具配备和管理要求	China National Standards PP	English PDF
GB/T 21368-2008	Specification for equiPPing and managing of measuring instrument of energy in the iron and steel industry 钢铁企业能源计量器具配备和管理要求	China National Standards PP	English PDF
GB/T 21367-2008	Specification for equiPPing and managing of the measuring instrument of energy in chemical enterprise 化工企业能源计量器具配备和管理要求	China National Standards PP	English PDF
GB/T 21362-2008	Heat pump water heater for commercial & industrial and similar aPPlication 商业或工业用及类似用途的热泵热水机	China National Standards PP	English PDF
GB/T 6824-2008	Determination for release rate of cuPPer-ion for antifouling paint on ship bottom 船底防污漆铜离子渗出率测定法	China National Standards PP	English PDF
GB/T 8943.1-2008	Paper，board and pulp - Determination of coPPer content 纸、纸板和纸浆铜含量的测定	China National Standards PP	English PDF
GB/T 3594-2007	The technical requirements of power suPPlies for electronic equipments of fishing vessels 渔船电子设备电源的技术要求	China National Standards PP	English PDF
GB/T 8812.2-2007	Rigid cellular plastics - Determination of flexural properties - Part 2: Determination of flexural strength and aPParent flexural modulus of elasticity 硬质泡沫塑料弯曲性能的测定第2部分: 弯曲强度和表观弯曲弹性模量的测定	China National Standards PP	English PDF
GB/T 21225-2007	Emergency power suPPly with inverter 逆变应急电源	China National Standards PP	English PDF
GB/T 21209-2007	Guide for the design and performance of cage induction motors specifically designed for converter suPPly 变频器供电笼型感应电动机设计和性能导则	China National Standards PP	English PDF
GB/T 21185-2007	Information technology - Office machines - Method of specifying image reproduction of colour copying machines by analog test charts - Realisation and aPPlication 信息技术办公设备用模拟测试版评价彩色复印机图像印品性能的方法制作和应用	China National Standards PP	English PDF
GB/T 15566.5-2007	Guidance system for public information - Setting principles and requirements - Part 5: ShoPPing marketplace 公共信息导向系统设置原则与要求第5部分：购物场所	China National Standards PP	English PDF
GB 4706.84-2007	Household and similar electrical aPPliances-safety - Part 2: Particular requirements for fabric steamers 家用和类似用途电器的安全第2部分：织物蒸汽机的特殊要求	China National Standards PP	English PDF
GB 4706.83-2007	Household and similar electrical aPPliances-safety - Part 2: Particular requirements for ironers 家用和类似用途电器的安全第2部分：夹烫机的特殊要求	China National Standards PP	English PDF
GB 4706.23-2007	Household and similar electrical aPPliances-Safety - Part 2: Particular requirements for room heaters 家用和类似用途电器的安全第2部分：室内加热器的特殊要求	China National Standards PP	English PDF
GB 4706.2-2007	household and similar electrical aPPliances-Safety - Part 2: Particular requirements for electric irons 家用和类似用途电器的安全第2部分：电熨斗的特殊要求	China National Standards PP	English PDF
GB 19510.13-2007	Lamp controlgear - Part 13: Particular requirements for d.c.or a.c. suPPlied electronic ballasts for discharge lamps(excluding fluorescent lamps) 灯的控制装置第13部分: 放电灯(荧光灯除外)用直流或交流电子镇流器的特殊要求	China National Standards PP	English PDF
GB/T 21196.4-2007	Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 4: Assessment of aPPearance change 纺织品马丁代尔法织物耐磨性的测定第4部分：外观变化的评定	China National Standards PP	English PDF
GB/T 21196.1-2007	Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 1: Martindale abrasion testing aPParatus 纺织品马丁代尔法织物耐磨性的测定第1部分:马丁代尔耐磨试验仪	China National Standards PP	English PDF
GB/T 19882.31-2007	Automatic meter reading system - Part 3-1: APPlication layer data exchange protocols - Object identification system 自动抄表系统第3-1部分：应用层数据交换协议对象标识系统	China National Standards PP	English PDF
GB/T 18430.1-2007	Water chilling (heat pump) packages using the vapor compression cycle - Part 1：Water chilling (heat pump) packages for industrial & commercial and similar aPPlication 蒸气压缩循环冷水(热泵)机组第1部分:工业或商业用及类似用途的冷水(热泵)机组	China National Standards PP	English PDF
GB 4660-2007	Motor vehicle front fog lamps equiPPed with filament lamps 汽车用灯丝灯泡前雾灯	China National Standards PP	English PDF
GB 4599-2007	Motor vehicle headlamps equiPPed with filament lamps 汽车用灯丝灯泡前照灯	China National Standards PP	English PDF
GB 21259-2007	Headlamps equiPPed with gas - discharge light sources for motor vehicle 汽车用气体放电光源前照灯	China National Standards PP	English PDF
GB/T 21161-2007	Agricultural trailers - Single-acting telescopic tiPPing cylinders - 25MPa(250bar)series - Types1，2and3 - Interchangeability dimensions 农用挂车单作用套筒伸缩油缸25MPa（250bar）系列Ⅰ型、Ⅱ型和Ⅲ型互换尺寸	China National Standards PP	English PDF
GB/T 22004-2007	Food safety management systems - Guidance on the aPPlication of GB/T 22000-2006 食品安全管理体系 GB/T 22000-2006的应用指南	China National Standards PP	English PDF
GB/T 17791-2007	Seamless coPPer tube for air conditioner and refrigeration equipment 空调与制冷设备用无缝铜管	China National Standards PP	English PDF
GB/T 10567.2-2007	Wrought coPPer and copper alloys - Detection of residual stress - Ammonia test 铜及铜合金加工材残余应力检验方法氨薰试验法	China National Standards PP	English PDF
GB/T 8321.8-2007	Guideline for safety aPPlication of pesticides (VIII) 农药合理使用准则(八)	China National Standards PP	English PDF
GB/T 12943-2007	Plant quarantine rules for virus-free mother tree and seeding of aPPle 苹果无病毒母本树和苗木检疫规程	China National Standards PP	English PDF
GB/T 21109.2-2007	Functional safety-Safety instrumented systems for the process industry sector - Part 2: Guidelines for the aPPlication of IEC 61511-1 过程工业领域安全仪表系统的功能安全第2部分：GB/T 21109.1的应用指南	China National Standards PP	English PDF
GB/T 19882.33-2007	Automatic meter reading system - Part 3-3: APPlication layer data exchange protocol - COSEM Application layer 自动抄表系统第3-3部分：应用层数据交换协议 COSEM应用层	China National Standards PP	English PDF
GB/T 19882.32-2007	Automatic meter reading system - Part 3-2: APPlication layer data exchange protocols - Interface Clasess 自动抄表系统第3-2部分：应用层数据交换协议接口类	China National Standards PP	English PDF
GB/T 665-2007	Chemical reagent - CoPPer(Ⅱ) Sulfate pentahydrate 化学试剂无水合硫酸铜(Ⅱ)(硫酸铜)	China National Standards PP	English PDF
GB/T 9753-2007	Paints and varnishes - cuPPing test 色漆和清漆杯突试验	China National Standards PP	English PDF
GB/T 21089.1-2007	Testing method of aPPlication performance of waterborne additives for architectural coatings - part 1: Dispersing agent,Defoaming agent, Thickening agent 建筑涂料水性助剂应用性能试验方法第1部分：分散剂、消泡剂和增稠剂	China National Standards PP	English PDF
GB/T 21097.1-2007	General requirements on fixed number of years of safety use and recycling for household and similar electrical aPPliances 家用和类似用途电器的安全使用年限和再生利用通则	China National Standards PP	English PDF
GB/Z 6113.404-2007	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 4-4 Uncertainties,statistics and limit modelling- Statistics of complaints and a model for the calculation of limits 无线电骚扰和抗扰度测量设备和测量方法规范第4-4部分：不确定度、统计学和限值建模抱怨的统计和限值的计算模型	China National Standards PP	English PDF
GB/Z 6113.403-2007	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 4-3：Uncertainties,statistics and limit modelling - Statistical considerations in the determination of EMC compliance of mass-produced 无线电骚扰和抗扰度测量设备和测量方法规范第4-3部分：不确定度、统计学和限值建模批量产品的EMC符合性确定的统计考虑	China National Standards PP	English PDF
GB/Z 6113.401-2007	Specification for radio disturbance and immunity measuring aPParatus and methods - Part 4-1: Uncertainties,statistics and limit modelling - Uncertainties in standardized EMC tests 无线电骚扰和抗扰度测量设备和测量方法规范第4-1部分: 不确定度、统计学和限值建模标准化的EMC试验不确定度	China National Standards PP	English PDF
GB/T 16786-2007	Terminology work - Computer aPPlications - Data categories 术语工作计算机应用数据类目	China National Standards PP	English PDF
GB/T 14805.9-2007	Electronic data interchange for administration, commerce and transport (EDIFACT) - APPlication level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 9: Security Key and certificate management message (message type-KEYMAN) 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9部分: 安全密钥和证书管理报文(报文类型为KEYMAN)	China National Standards PP	English PDF
GB/T 14805.8-2007	Electronic data interchange for administration, commerce and transport (EDIFACT) - APPlication level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 8: Associated data in 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8部分: 电子数据交换中的相关数据	China National Standards PP	English PDF
GB/T 14805.7-2007	Electronic data interchange for administration, commerce and transport (EDIFACT) - APPlication level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 7: Security rules for batch EDI (Confidentiality) 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7部分: 批式电子数据交换安全规则(保密性)	China National Standards PP	English PDF
GB/T 14805.6-2007	Electronic data interchange for administration, commerce and transport (EDIFACT) - APPlication level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 6: Secure authentication and acknowledgement message(message type - AUTACK) 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6部分: 安全鉴别和确认报文(报文类型为AUTACK)	China National Standards PP	English PDF
GB/T 14805.5-2007	Electronic data interchange for administration, commerce and transport (EDIFACT) - APPlication level syntax rules (Syntax version number: 4，Syntax release number:1) - Part 5: Security rules for batch EDI (authenticity, integrity and non-repudiation of 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5部分: 批式电子数据交换安全规则(真实性、完整性和源抗抵赖性)	China National Standards PP	English PDF
GB/T 21051-2007	Ergonomics of human-system interaction - Usability methods suPPorting human-centred design 人-系统交互工效学支持以人为中心设计的可用性方法	China National Standards PP	English PDF
GB/T 4156-2007	Metallic materials - Sheet and strip - Erichsen cuPPing test 金属材料薄板和薄带埃里克森杯突试验	China National Standards PP	English PDF
GB/T 6373-2007	Surface active agents - Determination of aPParent density 表面活性剂表观密度的测定	China National Standards PP	English PDF
GB/T 2916-2007	Plastic - Vinyl chloride homopolymer and copolymer resins - Sieve analysis using air-jet sieve aPParatus 塑料氯乙烯均聚和共聚树脂用空气喷射筛装置的筛分析	China National Standards PP	English PDF
GB/T 14637-2007	Industrial circulating cooling water and scale-Determination of coPPer，zinc-Atomic absorption spectrometric method 工业循环冷却水及水垢中铜、锌的测定　原子吸收光谱法	China National Standards PP	English PDF
GB/T 13689-2007	Water for industrial circulating cooling system and boiler - Determination of coPPer 工业循环冷却水和锅炉用水中铜的测定	China National Standards PP	English PDF
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

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