China Determination method GB Standards List

China "Determination method " GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 40374-2021	Hardmetals—Determination of lead and cadmium content—Flame atomic absorption spectrometric method and inductively coupled plasma atomic emission spectrometry 硬质合金化学分析方法铅量和镉量的测定火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法	China National Standards Determination method	English PDF
GB/T 16840.8-2021	Technical Determination methods for electrical fire evidence—Part 8: Method of thermal analysis 电气火灾痕迹物证技术鉴定方法第8部分: 热分析法	China National Standards Determination method	English PDF
GB/T 16840.7-2021	Technical Determination methods for electrical fire evidence—Part 7：Component analytic method of energy dispersive spectrometry 电气火灾痕迹物证技术鉴定方法第7部分:EDS成分分析法	China National Standards Determination method	English PDF
GB/T 16840.4-2021	Technical Determination methods for electrical fire evidence—Part 4: Metallographic analysis method 电气火灾痕迹物证技术鉴定方法第4部分：金相分析法	China National Standards Determination method	English PDF
GB/T 16840.3-2021	Technical Determination methods for electrical fire evidence—Part 3: Auger electron spectroscopy component analytic method 电气火灾痕迹物证技术鉴定方法第3部分：俄歇分析法	China National Standards Determination method	English PDF
GB/T 16840.2-2021	Technical Determination methods for electrical fire evidence—Part 2: Residual magnetism method 电气火灾痕迹物证技术鉴定方法第2部分:剩磁检测法	China National Standards Determination method	English PDF
GB/T 40612-2021	Plastics—Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sediment interface—Method by analysis of evolved carbon dioxide 塑料海水沙质沉积物界面非漂浮塑料材料最终需氧生物分解能力的测定通过测定释放二氧化碳的方法	China National Standards Determination method	English PDF
GB/T 40191-2021	Determination of restricted preservatives in toothpaste—High performance liquid chromatography method 牙膏中限用防腐剂的测定高效液相色谱法	China National Standards Determination method	English PDF
GB/T 40190-2021	Determination of forbidden bleach in toothpaste—High performance liquid chromatography method 牙膏中禁用漂白剂的测定高效液相色谱法	China National Standards Determination method	English PDF
GB/T 40189-2021	Determination of metronidazole and norfloxacin in toothpaste—High performance liquid chromatography method 牙膏中甲硝唑和诺氟沙星的测定高效液相色谱法	China National Standards Determination method	English PDF
GB/T 40186-2021	Determination of genetic material damage strength for microbial mutation breeding—Umu method 微生物诱变育种致遗传物质损伤强度测定 Umu法	China National Standards Determination method	English PDF
GB/T 40185-2021	Determination of 5 kinds of ammonium chloride antibacterial agents in toothpaste—High performance liquid chromatography method 牙膏中5种氯铵类抗菌剂的检测方法高效液相色谱法	China National Standards Determination method	English PDF
GB/T 40262-2021	Metal coating fabric—Determination of metal layer adhesive force—Tape method 金属镀膜织物金属层结合力的测定胶带法	China National Standards Determination method	English PDF
GB/T 40231-2021	Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method 电子电气产品中的限用物质六价铬的测定方法离子色谱法	China National Standards Determination method	English PDF
GB/T 40225-2021	Determination of actin antibody—Western blotting method 肌动蛋白抗体的检测免疫印迹法	China National Standards Determination method	English PDF
GB/T 40173-2021	Determination of reducing-end sugar in water-soluble chitosan—Spectrophotometric method 水溶性壳聚糖中还原性端基糖的测定分光光度法	China National Standards Determination method	English PDF
GB/T 40152-2021	Determination of saccharase activity in honey—Spectrophotometric method 蜂蜜中蔗糖转化酶的测定分光光度法	China National Standards Determination method	English PDF
GB/T 40114-2021	Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy 首饰贵金属含量的测定 ICP差减法	China National Standards Determination method	English PDF
GB/T 14949.5-2021	Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric method 锰矿石钛含量的测定二安替吡啉甲烷分光光度法	China National Standards Determination method	English PDF
GB/T 14949.12-2021	Manganese ores - Determination of combined water content - Gravimetric method 锰矿石化合水含量的测定重量法	China National Standards Determination method	English PDF
GB/T 9966.9-2021	Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency 天然石材试验方法第9部分：通过测量共振基本频率测定动力弹性模数	China National Standards Determination method	English PDF
GB/T 9966.13-2021	Test methods for natural stone—Part 13:Determination of water absorption coefficient by capillarity 天然石材试验方法第13部分：毛细吸水系数的测定	China National Standards Determination method	English PDF
GB/T 9966.11-2021	Test methods for natural stone—Part 11: Determination of resistance to ageing by cold and thermal shock 天然石材试验方法第11部分：激冷激热加速老化强度测定	China National Standards Determination method	English PDF
GB/T 8152.15-2021	Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry 铅精矿化学分析方法第15部分：可溶性铅含量的测定火焰原子吸收光谱法	China National Standards Determination method	English PDF
GB/T 7739.4-2021	Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 金精矿化学分析方法第4部分：铜量的测定	China National Standards Determination method	English PDF
GB/T 20373-2021	Determination of acetyl content in modified starch—Titrimetric method 变性淀粉中乙酰基含量的测定滴定法	China National Standards Determination method	English PDF
GB/T 40062-2021	Method for determination of total inorganic chloride in denatured fuel ethanol and fuel ethanol—Ion chromatography 变性燃料乙醇和燃料乙醇中总无机氯的测定方法离子色谱法	China National Standards Determination method	English PDF
GB/T 39998-2021	Paper, board and paper products—Determination of alkylphenol polyethoxylates—HPLC-MS method 纸、纸板和纸制品烷基苯酚聚氧乙烯醚类的测定高效液相色谱质谱法	China National Standards Determination method	English PDF
GB/T 11066.11-2021	Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry 金化学分析方法第11部分：镁、铬、锰、铁、镍、铜、钯、银、锡、锑、铅和铋含量的测定电感耦合等离子体质谱法	China National Standards Determination method	English PDF
GB/T 9966.17-2021	Test methods for natural stone-Part 17:Determination of resistance to salt crystallization 天然石材试验方法第17部分：盐结晶强度的测定	China National Standards Determination method	English PDF
GB/T 9966.16-2021	Test methods for natural stone- Part 16:Determination of linear thermal expansion coefficient 天然石材试验方法第16部分：线性热膨胀系数的测定	China National Standards Determination method	English PDF
GB/T 9966.15-2021	Test methods for natural stone- Part 15:Determination of resistance ageing by salt mist 天然石材试验方法第15部分：耐盐雾老化强度测定	China National Standards Determination method	English PDF
GB/T 9966.14-2021	Test methods for natural stone-Part 14:Determination of rupture energy 天然石材试验方法第14部分：耐断裂能量的测定	China National Standards Determination method	English PDF
GB/T 9966.12-2021	Test methods for natural stone-Part 12:Determination of static elastic modulus 天然石材试验方法第12部分：静态弹性模数的测定	China National Standards Determination method	English PDF
GB/T 9966.10-2021	Test methods for natural stone-Part 10:Determination of resistance to shaking for individual stone anchoragest 天然石材试验方法第10部分：挂件组合单元抗震性能的测定	China National Standards Determination method	English PDF
GB/T 8151.24-2021	Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry 锌精矿化学分析方法第24部分:可溶性锌含量的测定火焰原子吸收光谱法	China National Standards Determination method	English PDF
GB/T 39748.9-2021	Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 9:Gravimetric determination of density 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第9部分：称重法测定密度	China National Standards Determination method	English PDF
GB/T 39748.8-2021	Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 8:Gravimetric determination of flowrate 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第8部分：称重法测定流量	China National Standards Determination method	English PDF
GB/T 39748.7-2021	Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 7:Gravimetric determination of absorption under pressure 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第7部分：称重法测定压力作用下的吸液量	China National Standards Determination method	English PDF
GB/T 39748.6-2021	Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 6:Gravimetric determination of fluid retention capacity in saline solution after centrifugation 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第 6 部分: 称重法测定离心后的生理盐水保液率	China National Standards Determination method	English PDF
GB/T 39748.11-2021	Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 11:Determination of content of respirable particles 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测试方法第11部分：可吸入颗粒含量的测定	China National Standards Determination method	English PDF
GB/T 39748.10-2021	Urine-absorbing aids for incontinence -- Test methods for characterizing polymer-based absorbent materials -- Part 10: Determination of extractable polymer content by potentiometric titration 失禁用尿吸收辅助器具聚合物基质吸液材料特性的测定方法第10部分：电位滴定法测定可萃取聚合物量	China National Standards Determination method	English PDF
GB/T 39939-2021	Volatile organic compounds in furniture components—Test method for the rapid determination in the field 家具部件中挥发性有机化合物现场快速检测方法	China National Standards Determination method	English PDF
GB/T 39804-2021	Method for determination of leachable harmful substances in wall materials 墙体材料中可浸出有害物质的测定方法	China National Standards Determination method	English PDF
GB/T 39765-2021	Determination of benzene,methylbenzene,ethylbenzene,dimethybenzene in stationery—Gas chromatographic method 文具中苯、甲苯、乙苯及二甲苯的测定方法气相色谱法	China National Standards Determination method	English PDF
GB/T 20385.1-2021	Textiles—Determination of organotin compounds—Part 1：Derivatisation method using GC-MS 纺织品有机锡化合物的测定第1部分：衍生化气相色谱-质谱法	China National Standards Determination method	English PDF
GB/T 14352.22-2021	Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法第22部分：锑量的测定氢化物发生-原子荧光光谱法	China National Standards Determination method	English PDF
GB/T 14352.21-2021	Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法第21部分：砷量的测定氢化物发生-原子荧光光谱法	China National Standards Determination method	English PDF
GB/T 14352.20-2021	Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法第20部分：铌、钽、锆、铪及15个稀土元素量的测定电感耦合等离子体质谱法	China National Standards Determination method	English PDF
GB/T 14352.19-2021	Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe 钨矿石、钼矿石化学分析方法第19部分：铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定电感耦合等离子体原子发射光谱法	China National Standards Determination method	English PDF
GB/T 12736-2021	Conveyor belts—Determination of strenght of mechanical fastenings—Static test method 输送带机械接头强度的测定静态试验方法	China National Standards Determination method	English PDF
GB/T 5121.28-2021	Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry 铜及铜合金化学分析方法第28部分：铬、铁、锰、钴、镍、锌、砷、硒、银、镉、锡、锑、碲、铅和铋含量的测定电感耦合等离子体质谱法	China National Standards Determination method	English PDF
GB/T 7991.1-2021	Test method of viterous and porcelain enamels—Part 1：Determination of resistance to alkaline liquids 搪玻璃层试验方法第1部分：耐碱性溶液腐蚀性能的测定	China National Standards Determination method	English PDF
GB/T 6730.25-2021	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 Determination method	English PDF
GB/T 2384-2021	Dyes intermediates—General method for the determination of melting range 染料中间体熔点范围测定通用方法	China National Standards Determination method	English PDF
GB/T 41104.2-2021	Solder wire, solid and flux cored -- Specification and test methods -- Part 2: Determination of flux content 实心和药芯软钎料丝? 规范和试验方法? 第2部分：钎剂含量的测定	China National Standards Determination method	English PDF
GB/T 38265.13-2021	Test methods for soft soldering fluxes—Part 13: Determination of flux spattering 软钎剂试验方法第13部分：钎剂溅散性的测定	China National Standards Determination method	English PDF
GB/T 6730.28-2021	Iron ores—Determination of fluorine content—Ion-selective electrode method 铁矿石氟含量的测定离子选择电极法	China National Standards Determination method	English PDF
GB/T 7991.3-2021	Test method of viterous and porcelain enamels -- Part 3: Determination of resistance to thermal shock 搪玻璃层试验方法第3部分：耐温差急变性能的测定	China National Standards Determination method	English PDF
GB/T 41064-2021	Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray photoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films 表面化学分析深度剖析用单层和多层薄膜测定X射线光电子能谱、俄歇电子能谱和二次离子质谱中深度剖析溅射速率的方法	China National Standards Determination method	English PDF
GB/T 1927.20-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength 无疵小试样木材物理力学性质试验方法第20部分：抗劈力测定	China National Standards Determination method	English PDF
GB/T 1927.19-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 19: Determination of static hardness 无疵小试样木材物理力学性质试验方法第19部分：硬度测定	China National Standards Determination method	English PDF
GB/T 1927.18-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 18: Determination of resistance to impact indentation 无疵小试样木材物理力学性质试验方法第18部分：抗冲击压痕测定	China National Standards Determination method	English PDF
GB/T 1927.17-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 17: Determination of impact bending strength 无疵小试样木材物理力学性质试验方法第17部分：冲击韧性测定	China National Standards Determination method	English PDF
GB/T 1927.12-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain 无疵小试样木材物理力学性质试验方法第12部分：横纹抗压强度测定	China National Standards Determination method	English PDF
GB/T 1927.10-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 10: Determination of modulus of elasticity in bending 无疵小试样木材物理力学性质试验方法第10部分：抗弯弹性模量测定	China National Standards Determination method	English PDF
GB/T 1927.9-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 9: Determination of bending strength 无疵小试样木材物理力学性质试验方法第9部分：抗弯强度测定	China National Standards Determination method	English PDF
GB/T 1927.8-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling 无疵小试样木材物理力学性质试验方法第8部分：湿胀性测定	China National Standards Determination method	English PDF
GB/T 41079.1-2021	Test methods for physical properties of liquid metals—Part 1:Determination of density 液态金属物理性能测定方法第1部分：密度的测定	China National Standards Determination method	English PDF
GB/T 1927.7-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 7: Determination of water absorption 无疵小试样木材物理力学性质试验方法第7部分：吸水性测定	China National Standards Determination method	English PDF
GB/T 1927.6-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 6: Determination of shrinkage 无疵小试样木材物理力学性质试验方法第6部分：干缩性测定	China National Standards Determination method	English PDF
GB/T 1927.5-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density 无疵小试样木材物理力学性质试验方法第5部分：密度测定	China National Standards Determination method	English PDF
GB/T 1927.4-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content 无疵小试样木材物理力学性质试验方法第4部分：含水率测定	China National Standards Determination method	English PDF
GB/T 1927.3-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood 无疵小试样木材物理力学性质试验方法第3部分：生长轮宽度和晚材率测定	China National Standards Determination method	English PDF
GB/T 8643-2021	Determination of lubricant content in lubricated metal-powder mixes—Soxhlet extraction method 含润滑剂金属粉末中润滑剂含量的测定索格利特（Soxhlet）萃取法	China National Standards Determination method	English PDF
GB/T 41068-2021	Nanotechnologies -- Determination of water-soluble anions content in graphene-related powder -- Ion chromatography method 纳米技术石墨烯粉体中水溶性阴离子含量的测定离子色谱法	China National Standards Determination method	English PDF
GB/T 41067-2021	Nanotechnologies -- Determination of sulfur, fluorine, chlorine and bromine content in graphene related powder -- Combustion ion chromatography method 纳米技术石墨烯粉体中硫、氟、氯、溴含量的测定燃烧离子色谱法	China National Standards Determination method	English PDF
GB/T 38490-2021	Determination of high-throughput adaptive evolution for microorganisms—Microfluidic chip method 微生物高通量适应性进化测定微流控芯片法	China National Standards Determination method	English PDF
GB/T 6730.48-2021	Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石铋含量的测定二硫代二安替吡啉甲烷分光光度法	China National Standards Determination method	English PDF
GB/T 41206-2021	Space environment (natural and artificial) -- Cosmic ray and solar energetic particle penetration inward the magnetosphere -- Method of determination of the effective vertical cut-off rigidity 空间环境（自然和人工）宇宙线和太阳能量粒子穿入磁层有效垂直地磁截止刚度的确定方法	China National Standards Determination method	English PDF
GB/T 40969-2021	Paper and board—Determination of colour (D50/2°diffuse reflectance method) 纸和纸板颜色的测定（D50/2°漫反射法)	China National Standards Determination method	English PDF
GB/T 40998-2021	Determination of hydroxypropyl content in modified starch -- Spectrophotometric method 变性淀粉中羟丙基含量的测定分光光度法	China National Standards Determination method	English PDF
GB/T 40915-2021	Determination of SiO2,Al2O3,Fe2O3,K2O,Na2O,CaO,MgO content of soda-lime-silica glass by X-ray fluorescence spectrometric method X射线荧光光谱法测定钠钙硅玻璃中SiO2、Al2O3、Fe2O3、K2O、Na2O、CaO、MgO含量	China National Standards Determination method	English PDF
GB/T 40913-2021	Method for the determination of the hot-end coating thickness of glass bottle 玻璃瓶罐热端涂层厚度的测定方法	China National Standards Determination method	English PDF
GB/T 40970-2021	Determination of ammonia in cosmetics—Titration method 化妆品中氨含量的测定滴定法	China National Standards Determination method	English PDF
GB/T 40897-2021	Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method 化妆品中碱金属硫化物和碱土金属硫化物的测定亚甲基蓝分光光度法	China National Standards Determination method	English PDF
GB/T 40944-2021	Determination of feed particle size—Geometric mean diameter method 饲料粒度测定几何平均粒度法	China National Standards Determination method	English PDF
GB/T 40815.2-2021	Mechanical structures for electrical and electronic equipment—Thermal management for cabinets in accordance with inch and metric system—Part 2:Method for the determination of forced air cooling 电气和电子设备机械结构　符合英制系列和公制系列机柜的热管理　第2部分：强迫风冷的确定方法	China National Standards Determination method	English PDF
GB/T 12690.8-2021	Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content 稀土金属及其氧化物中非稀土杂质化学分析方法第8部分：钠量的测定	China National Standards Determination method	English PDF
GB/T 40844-2021	Determination of synthetic musks in cosmetics—GC-MS method 化妆品中人工合成麝香的测定气相色谱-质谱法	China National Standards Determination method	English PDF
GB/T 40845-2021	Determination of azelaic acid in cosmetics—Gas chromatography method 化妆品中壬二酸的检测气相色谱法	China National Standards Determination method	English PDF
GB/T 18996-2021	Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰银含量的测定氯化钠或氯化钾容量法(电位滴定法)	China National Standards Determination method	English PDF
GB/T 17832-2021	Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide 银合金首饰银含量的测定溴化钾容量法(电位滴定法)	China National Standards Determination method	English PDF
GB/T 40723-2021	Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method 橡胶总硫、总氮含量的测定自动分析仪法	China National Standards Determination method	English PDF
GB/T 40906-2021	Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters 家具产品及其材料中禁限用物质测定方法邻苯二甲酸酯增塑剂	China National Standards Determination method	English PDF
GB/T 40904-2021	Methods for the determination of prohibited substances in furniture products and related materials—Azo dyes 家具产品及其材料中禁限用物质测定方法偶氮染料	China National Standards Determination method	English PDF
GB/T 40971-2021	Methods for the determination of prohibited substance in furniture products and related materials—Polycyclic aromatic hydrocarbons 家具产品及其材料中禁限用物质测定方法多环芳烃	China National Standards Determination method	English PDF
GB/T 40908-2021	Methods for the determination of prohibited substances in furniture products and related materials—Flame retardants 家具产品及其材料中禁限用物质测定方法阻燃剂	China National Standards Determination method	English PDF
GB/T 40907-2021	Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷	China National Standards Determination method	English PDF
GB/T 6683.1-2021	Petroleum and related products—Precision of measurement methods and results—Part 1: Determination of precision data in relation to methods of test 石油及相关产品测量方法与结果精密度第1部分：试验方法精密度数据的确定	China National Standards Determination method	English PDF

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