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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 23899-2020 |
Test and calculation Methods of energy consumption for forestry enterprises 林业企业能耗测试与计算方法 |
China National Standards Methods |
 English PDF |
| GB/T 39552.2-2020 |
Sunglasses and sunglare filters—Part 2: Test Methods 太阳镜和太阳镜片 第2部分：试验方法 |
China National Standards Methods |
English PDF |
| GB/T 39709-2020 |
Test Methods of multiple units glass, windiows static pressure and windiows sealing performance 动车组玻璃、车窗耐静压及车窗密封性能试验方法 |
China National Standards Methods |
English PDF |
| GB/T 39698-2020 |
Confirmation Methods for delivering common Portland cement 通用硅酸盐水泥出厂确认方法 |
China National Standards Methods |
English PDF |
| GB/T 3362-2017/XG1-2020 |
Test Methods for tensile properties of carbon fiber multifilament 《碳纤维复丝拉伸性能试验方法》国家标准第1号修改单 |
China National Standards Methods |
English PDF |
| GB/T 15076.6-2020 |
Methods for chemical analysis of tantalum and niobium--Part 6: Determination of silicon content--Inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第6部分:硅量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 15076.4-2020 |
Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法 第4部分:铁量的测定 1，10—二氮杂菲分光光度法 |
China National Standards Methods |
English PDF |
| GB/T 15076.11-2020 |
Methods for chemical analysis of tantalum and niobium--Part 11: Determination of arsenic, antimony, lead, tin and bismuth contents in niobium--Direct current arc atomic emission spectrometry 钽铌化学分析方法 第11部分:铌中砷、锑、铅、锡和铋量的测定 直流电弧原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 14849.3-2020 |
Methods for chemical analysis of silicon metal--Part 3: Determination of calcium content 工业硅化学分析方法 第3部分：钙含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 14849.1-2020 |
Methods for chemical analysis of silicon metal--Part 1: Determination of iron content 工业硅化学分析方法 第1部分：铁含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 13747.3-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第3部分：镍量的测定 丁二酮肟分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 13747.27-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry 锆及锆合金化学分析方法 第27部分：痕量杂质元素的测定 电感耦合等离子体质谱法 |
China National Standards Methods |
English PDF |
| GB/T 39468-2020 |
General Methods for the validation of terrestrial quantitative remote sensing products 陆地定量遥感产品真实性检验通用方法 |
China National Standards Methods |
English PDF |
| GB/T 39339-2020 |
Design rules and Methods for areospace electrical connectors 宇航用电连接器设计准则和方法 |
China National Standards Methods |
English PDF |
| GB/T 39329-2020 |
Additive manufacturing—Test Methods—Precision inspection of standard test artifacts 增材制造 测试方法 标准测试件精度检验 |
China National Standards Methods |
English PDF |
| GB/T 39266-2020 |
Mechanical environment reliability requirements and test Methods for industrial robots 工业机器人机械环境可靠性要求和测试方法 |
China National Standards Methods |
English PDF |
| GB/T 39265-2020 |
Road vehicles—Performance requirements and testing Methods for blind spot detection (BSD) system 道路车辆 盲区监测(BSD)系统性能要求及试验方法 |
China National Standards Methods |
English PDF |
| GB/Z 39262-2020 |
Nanotechnologies—Guidance on toxicological screening Methods for nanomaterials 纳米技术 纳米材料毒理学筛选方法指南 |
China National Standards Methods |
English PDF |
| GB/T 39251-2020 |
Additive manufacturing—Methods to characterize performance of metal powders 增材制造 金属粉末性能表征方法 |
China National Standards Methods |
English PDF |
| GB/T 39243-2020 |
Technical requirements and test Methods of marine biosoluble mineral wool product 船用生物可溶性矿物棉制品技术要求及试验方法 |
China National Standards Methods |
English PDF |
| GB/T 32065.8-2020 |
Environmental test Methods for oceanographic instruments—Part 8：Change of temperature test 海洋仪器环境试验方法 第8部分：温度变化试验 |
China National Standards Methods |
English PDF |
| GB/T 32065.19-2020 |
Environmental test Methods for oceanographic instruments—Part 19 : Immersion test 海洋仪器环境试验方法 第19部分：浸渍试验 |
China National Standards Methods |
English PDF |
| GB/T 32065.10-2020 |
Environmental test Methods for oceanographic instruments—Part 10：Salt fog test 海洋仪器环境试验方法 第10部分：盐雾试验 |
China National Standards Methods |
English PDF |
| GB/T 25217.9-2020 |
Methods for test, monitoring and prevention of rock burst—Part 9: Prevention method of water infusion on coal seam 冲击地压测定、监测与防治方法 第9部分：煤层注水防治方法 |
China National Standards Methods |
English PDF |
| GB/T 25217.14-2020 |
Methods for test, monitoring and prevention of rock burst—Part 14: Prevention method of roof hydraulic fracturing 冲击地压测定、监测与防治方法 第14部分：顶板水压致裂防治方法 |
China National Standards Methods |
English PDF |
| GB/T 24986.1-2020 |
Testing evaluation Methods for reliability on household and similar electrical appliances —Part 1：General requirements 家用和类似用途电器可靠性试验及评价 第1部分：通用要求 |
China National Standards Methods |
English PDF |
| GB/T 23797-2020 |
Surveillance Methods for vector density—Mosquito 病媒生物密度监测方法 蚊虫 |
China National Standards Methods |
English PDF |
| GB/T 23107-2020 |
Household and similar electric blankets—Methods for measuring performance 家用和类似用途电热毯 性能测试方法 |
China National Standards Methods |
English PDF |
| GB/T 21339-2020 |
The statistical and analytical Methods for energy consumption in harbor industry 港口能源消耗统计及分析方法 |
China National Standards Methods |
English PDF |
| GB/T 18799-2020 |
Electric irons for household or similar use—Methods for measuring performance 家用和类似用途电熨斗 性能测试方法 |
China National Standards Methods |
English PDF |
| GB/Z 6113.403-2020 |
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 products 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 Methods |
English PDF |
| GB/T 6096-2020 |
Fall protection— Performance test Methods for fall protection systems 坠落防护 安全带系统性能测试方法 |
China National Standards Methods |
English PDF |
| GB/T 5169.30-2020 |
Fire hazard testing for electric and electronic products—Part 30: Heat release—Summary and relevance of test Methods 电工电子产品着火危险试验 第30部分：热释放 试验方法概要和相关性 |
China National Standards Methods |
English PDF |
| GB/T 39422-2020 |
Determination Methods of characteristic values for dowel-bearing strength and withdrawal capacity of nails and screws in timber structure 木结构销槽承压强度及钉连接承载力特征值确定方法 |
China National Standards Methods |
English PDF |
| GB/T 39421-2020 |
Methods for determining the static gel strength of cement formulations 水泥浆静胶凝强度测定方法 |
China National Standards Methods |
English PDF |
| GB/T 39416-2020 |
Test Methods of fuel consumption for truck crane 汽车起重机燃油消耗量试验方法 |
China National Standards Methods |
English PDF |
| GB/T 39413-2020 |
Performance requirements and test Methods for BeiDou navigation satellite system signal simulator 北斗卫星导航系统信号模拟器性能要求及测试方法 |
China National Standards Methods |
English PDF |
| GB/T 39472-2020 |
Performance requirements and test Methods for BeiDou navigation satellite system signal record and playback devices 北斗卫星导航系统信号采集回放仪性能要求及测试方法 |
China National Standards Methods |
English PDF |
| GB/T 39299-2020 |
Methods for disposing reused thinner waste in the production of TFT-LCD 液晶面板制造稀释废液回收再利用方法 |
China National Standards Methods |
English PDF |
| GB/T 39163-2020 |
Test Methods of the bonding strength for target-backing plate assemblies 靶材与背板结合强度测试方法 |
China National Standards Methods |
English PDF |
| GB/T 39156-2020 |
Technical requirements and test Methods for large format ceramic slab 大规格陶瓷板技术要求及试验方法 |
China National Standards Methods |
English PDF |
| GB/T 31334.6-2020 |
Test Methods for dipped canvas—Part 6 : Determinations of size, grammage, etc 浸胶帆布试验方法 第6部分：尺寸、克重等基本项目测量 |
China National Standards Methods |
English PDF |
| GB/T 26548.7-2020 |
Hand-held portable power tools—Test Methods for evaluation of vibration emission—Part 7:Nibbler and shears 手持便携式动力工具 振动试验方法 第7部分：冲剪机和剪刀 |
China National Standards Methods |
English PDF |
| GB/T 24981.2-2020 |
Test Methods of rare earth long afterglow phosphors—Part 2: Determination of afterglow brightness 稀土长余辉荧光粉试验方法 第2部分：余辉亮度的测定 |
China National Standards Methods |
English PDF |
| GB/T 24981.1-2020 |
Test Methods of rare earth long afterglow phosphors—Part 1: Determination of emission dominantpeak and chromaticity coordinates 稀土长余辉荧光粉试验方法 第1部分：发射主峰和色品坐标的测定 |
China National Standards Methods |
English PDF |
| GB/T 23514-2020 |
Methods for chemical analysis of nuclear-grade Ag-In-Cd alloys 核级银-铟-镉合金化学分析方法 |
China National Standards Methods |
English PDF |
| GB/T 20975.8-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 8：Determination of zinc content 铝及铝合金化学分析方法 第8部分：锌含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20975.34-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第34部分：钠含量的测定 火焰原子吸收光谱法 |
China National Standards Methods |
English PDF |
| GB/T 20975.33-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 33：Determination of potassium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第33部分：钾含量的测定 火焰原子吸收光谱法 |
China National Standards Methods |
English PDF |
| GB/T 20975.32-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 32：Determination of bismuth content 铝及铝合金化学分析方法 第32部分：铋含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20975.20-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 20：Determination of gallium content—Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分：镓含量的测定 丁基罗丹明B分光光度法 |
China National Standards Methods |
English PDF |
| GB/T 20975.19-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 19：Determination of zirconium content 铝及铝合金化学分析方法 第19部分：锆含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20975.15-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 15：Determination of boron content 铝及铝合金化学分析方法 第15部分：硼含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20975.13-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 13：Determination of vanadium content 铝及铝合金化学分析方法 第13部分：钒含量的测定 |
China National Standards Methods |
English PDF |
| GB/T 18115.2-2020 |
Chemical analysis Methods of rare earth impurities in rare earth metals and their oxides—Part 2: Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt 稀土金属及其氧化物中稀土杂质化学分析方法 第2部分：铈中镧、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards Methods |
English PDF |
| GB/T 18115.1-2020 |
Chemical analysis Methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttri 稀土金属及其氧化物中稀土杂质化学分析方法 第1部分：镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards Methods |
English PDF |
| GB/T 5211.6-2020 |
General Methods of test for pigments and extenders—Part 6: Determination of pH value of an aqueous suspension 颜料和体质颜料通用试验方法 第6部分：水悬浮液pH值的测定 |
China National Standards Methods |
English PDF |
| GB/T 5211.3-2020 |
General Methods of test for pigments and extenders—Part 3: Determination of matter volatile at 105℃ 颜料和体质颜料通用试验方法 第3部分：105℃挥发物的测定 |
China National Standards Methods |
English PDF |
| GB/T 22517.6-2020 |
Technical requirements and test Methods for sports field—Part 6: Track and field 体育场地使用要求及检验方法 第6部分：田径场地 |
China National Standards Methods |
English PDF |
| GB/T 38413-2019 |
Textiles—Test Methods for filtration of particulate matter 纺织品 细颗粒物过滤性能试验方法 |
China National Standards Methods |
English PDF |
| GB/T 3836.12-2019 |
Explosive atmospheres—Part 12：Material characteristics for combustible dusts—Test Methods 爆炸性环境 第12部分：可燃性粉尘物质特性 试验方法 |
China National Standards Methods |
English PDF |
| GB/T 38336-2019 |
Industrial, scientific and medical robots—Electromagnetic compatibility—Emission Methods of measurement and limits 工业、科学和医疗机器人 电磁兼容 发射测试方法和限值 |
China National Standards Methods |
English PDF |
| GB/T 38265.2-2019 |
Test Methods for soft soldering fluxes—Part 2: Determination of non-volatile matter—Ebulliometric method 软钎剂试验方法 第2部分：不挥发物质含量的测定 沸点法 |
China National Standards Methods |
English PDF |
| GB/T 38265.1-2019 |
Test Methods for soft soldering fluxes—Part 1:Determination of non-volatile matter—Gravimetric method 软钎剂试验方法 第1部分：不挥发物质含量的测定 重量法 |
China National Standards Methods |
English PDF |
| GB/T 28043-2019 |
Statistical Methods for use in proficiency testing by interlaboratory comparison 利用实验室间比对进行能力验证的统计方法 |
China National Standards Methods |
English PDF |
| GB/T 22079-2019 |
HV polymeric insulators for indoor and outdoor use—General definitions ,test Methods and acceptance criteria 户内和户外用高压聚合物绝缘子 一般定义、试验方法和接收准则 |
China National Standards Methods |
English PDF |
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content 金矿石化学分析方法 第3部分：砷量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards Methods |
English PDF |
| GB/T 18802.351-2019 |
Components for low-voltage surge protective devices－Part 351:Performance requirements and test Methods for telecommunications and signalling network surge isolation transformers (SIT) 低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法 |
China National Standards Methods |
English PDF |
| GB/T 16422.1-2019 |
Plastics—Methods of exposure to laboratory light sources—Part 1:General guidance 塑料 实验室光源暴露试验方法 第1部分：总则 |
China National Standards Methods |
English PDF |
| GB/T 14506.33-2019 |
Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry 硅酸盐岩石化学分析方法 第33部分：砷、锑、铋、汞量测定 氢化物发生-原子荧光光谱法 |
China National Standards Methods |
English PDF |
| GB/T 7755.2-2019 |
Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure Methods 硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法 |
China National Standards Methods |
English PDF |
| GB/T 7106-2019 |
Test Methods of air permeability,watertightness,wind load resistance performance for building external windows and doors 建筑外门窗气密、水密、抗风压性能检测方法 |
China National Standards Methods |
English PDF |
| GB 27999-2019 |
Fuel consumption evaluation Methods and targets for passenger cars 乘用车燃料消耗量评价方法及指标 |
China National Standards Methods |
English PDF |
| GB/T 38421-2019 |
Fur—Detection of animal derived material—Qualitative real-time polymerase chain reaction (PCR) Methods 毛皮 源性成分检测 实时荧光定性聚合酶链式反应（PCR）检测方法 |
China National Standards Methods |
English PDF |
| GB/T 38392-2019 |
Metallurgical equipment—Couplings—Test Methods,inspecting rules and accptance codes 冶金设备 联轴器 试验方法、 检验规则及验收规范 |
China National Standards Methods |
English PDF |
| GB/T 38389-2019 |
Methods for chemical analysis of indium-tin oxide target 氧化铟锡靶材化学分析方法 |
China National Standards Methods |
English PDF |
| GB/T 38359-2019 |
Data-analysis Methods of strength properties for structural wood and wood-based products 结构用木质材料强度性能数据分析方法 |
China National Standards Methods |
English PDF |
| GB/T 38341-2019 |
Micro-electromechanical system technology—The reliability test Methods of MEMS in integrated environments 微机电系统（MEMS）技术 MEMS器件的可靠性综合环境试验方法 |
China National Standards Methods |
English PDF |
| GB/T 38265.16-2019 |
Test Methods for soft soldering fluxes—Part 16:Flux efficacy test—Wetting balance method 软钎剂试验方法 第16部分：软钎剂润湿性能 润湿平衡法 |
China National Standards Methods |
English PDF |
| GB/T 38265.10-2019 |
Test Methods for soft soldering fluxes—Part 10:Flux efficacy test—Solder spread method 软钎剂试验方法 第10部分：软钎剂润湿性能 铺展试验方法 |
China National Standards Methods |
English PDF |
| GB/T 20899.1-2019 |
Methods for chemical analysis of gold ores—Part 1:Determination of gold content 金矿石化学分析方法 第1部分:金量的测定 |
China National Standards Methods |
English PDF |
| GB/T 15076.2-2019 |
Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry 钽铌化学分析方法 第2部分:钽中铌量的测定 电感耦合等离子体原子发射光谱法和色层分离重量法 |
China National Standards Methods |
English PDF |
| GB/T 15076.10-2019 |
Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry 钽铌化学分析方法 第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定 直流电弧原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 13747.7-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第7部分：锰量的测定 高碘酸钾分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 14214-2019 |
Spectacle frames—General requirements and test Methods 眼镜架 通用要求和试验方法 |
China National Standards Methods |
English PDF |
| GB/T 13747.2-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第2部分：铁量的测定 1,10-二氮杂菲分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Methods |
English PDF |
| GB/T 13747.12-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry 锆及锆合金化学分析方法 第12部分：硅量的测定 钼蓝分光光度法 |
China National Standards Methods |
English PDF |
| GB/T 10230.1-2019 |
Tap-changers—Part 1：Performance requirements and test Methods 分接开关 第1部分：性能要求和试验方法 |
China National Standards Methods |
English PDF |
| GB/T 8647.11-2019 |
Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled plasma mass spectrometry 镍化学分析方法 第11部分:镁、铝、锰、钴、铜、锌、镉、锡、锑、铅、铋含量的测定 电感耦合等离子体质谱法 |
China National Standards Methods |
English PDF |
| GB/T 7739.3-2019 |
Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content 金精矿化学分析方法 第3部分：砷量的测定 |
China National Standards Methods |
English PDF |
| GB/T 7739.2-2019 |
Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method 金精矿化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards Methods |
English PDF |
| GB/T 7739.1-2019 |
Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents 金精矿化学分析方法 第1部分：金量和银量的测定 |
China National Standards Methods |
English PDF |
| GB/T 38336-2019 |
Industrial, scientific and medical robots—Electromagnetic compatibility—Emission Methods of measurement and limits
工业、科学和医疗机器人 电磁兼容 发射测试方法和限值 |
China National Standards Methods |
English PDF |
| GB/T 38265.1-2019 |
Test Methods for soft soldering fluxes—Part 1:Determination of non-volatile matter—Gravimetric method 软钎剂试验方法 第1部分：不挥发物质含量的测定 重量法 |
China National Standards Methods |
English PDF |
| GB/T 28043-2019 |
Statistical Methods for use in proficiency testing by interlaboratory comparison 利用实验室间比对进行能力验证的统计方法 |
China National Standards Methods |
English PDF |
| GB/T 22079-2019 |
HV polymeric insulators for indoor and outdoor use—General definitions ,test Methods and acceptance criteria 户内和户外用高压聚合物绝缘子 一般定义、试验方法和接收准则 |
China National Standards Methods |
English PDF |
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content 金矿石化学分析方法 第3部分：砷量的测定 |
China National Standards Methods |
English PDF |
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards Methods |
English PDF |
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