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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 29490-2013 |
Enterprise intellectual property management 企业知识产权管理规范 |
China National Standards p |
 English PDF |
| GB/T 50866-2013 |
Design code for photovoltaic power station connecting to power system 光伏发电站接入电力系统设计规范 |
China National Standards p |
English PDF |
| GB/T 50853-2013 |
Code of urban communication engineering planning 城市通信工程规划规范 |
China National Standards p |
English PDF |
| GB/T 50812-2013 |
Code for design of steam condensate system in chemical plant 化工厂蒸汽凝结水系统设计规范 |
China National Standards p |
English PDF |
| GB 50807-2013 |
Safety technical code for the storage facilities of uranium ores and uranium compounds 铀矿石和铀化合物贮存设施安全技术规范 |
China National Standards p |
English PDF |
| GB/T 20173-2013 |
petroleum and natural gas industries―Pipeline transportation systems―Pipeline valves 石油天然气工业 管道输送系统 管道阀门 |
China National Standards p |
English PDF |
| GB 50881-2013 |
Architectural and technical code for center for disease control and prevention 疾病预防控制中心建筑技术规范 |
China National Standards p |
English PDF |
| GB 50330-2013 |
Technical code for building slope engineering 建筑边坡工程技术规范 |
China National Standards p |
English PDF |
| GB 50300-2013 |
Unified standard for constructional quality acceptance of building engineering 建筑工程施工质量验收统一标准 |
China National Standards p |
English PDF |
| GB/T 30315-2013 |
Test method for reciprocating flex fatigue of dipped cords 浸胶帘线往复曲挠疲劳试验方法 |
China National Standards p |
English PDF |
| GB/T 30440.1-2013 |
Specification for product of amusement game—Part 1：General requirement 游戏游艺机产品规范 第1部分：通用要求 |
China National Standards p |
English PDF |
| GB 5296.4-2012 |
Instructions for use of products of consumer interest - Part 4: Textiles and apparel 消费品使用说明 第4部分：纺织品和服装 |
China National Standards p |
English PDF |
| GB 29337-2012 |
General labeling for oral care and cleansing products 口腔清洁护理用品通用标签 |
China National Standards p |
English PDF |
| GB 29281-2012 |
Safety requirements for playpens and similar cribs 游戏围栏及类似用途童床的安全要求 |
China National Standards p |
English PDF |
| GB 7247.1-2012 |
Safety of laser products - Part 1: Equipment classification and requirements 激光产品的安全 第1部分：设备分类、要求 |
China National Standards p |
English PDF |
| GB 18133-2012 |
Seed potatoes 马铃薯种薯 |
China National Standards p |
English PDF |
| GB 4943.23-2012 |
Information technology equipment - Safety - Part 23: Large data storage equipment 信息技术设备 安全 第23部分：大型数据存储设备 |
China National Standards p |
English PDF |
| GB 29410-2012 |
Domestic dimethy ether gas cooking appliances 家用二甲醚燃气灶 |
China National Standards p |
English PDF |
| GB 29303-2012 |
Switched protective earth portable residual current devices for class Ⅰ and battery powered vehicle applications 用于Ⅰ类和电池供电车辆的可开闭保护接地移动式剩余电流装置(SPE-PRCD) |
China National Standards p |
English PDF |
| GB 2099.2-2012 |
plugs and socket-outlets for household and similar purposes - Part 2: Particular requirements for socket-outlets for appliances 家用和类似用途插头插座 第2部分：器具插座的特殊要求 |
China National Standards p |
English PDF |
| GB 20044-2012 |
Electrical accessories - portable residual current devices without integral overcurrent protection for household and similar use (PRCD) 电气附件 家用和类似用途的不带过电流保护的移动式剩余电流装置(PRCD) |
China National Standards p |
English PDF |
| GB 16915.2-2012 |
Switches for household and similar fixed electrical installations - part 2-1: Particular requirements - Electronic switches 家用和类似用途固定式电气装置的开关 第2-1部分：电子开关的特殊要求 |
China National Standards p |
English PDF |
| GB 15579.12-2012 |
Arc welding equipment - Part 12: Coupling devices for welding cables 弧焊设备 第12部分：焊接电缆耦合装置 |
China National Standards p |
English PDF |
| GB 15579.11-2012 |
Arc welding equipment - Part 11: Electrode holders 弧焊设备 第11部分：电焊钳 |
China National Standards p |
English PDF |
| GB 14048.1-2012 |
Low-voltage switchgear and controlgear - part 1: General rules 低压开关设备和控制设备 第1部分：总则 |
China National Standards p |
English PDF |
| GB 12668.3-2012 |
Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods 调速电气传动系统 第3部分 :电磁兼容性要求及其特定的试验方法 |
China National Standards p |
English PDF |
| GB 11417.3-2012 |
Ophthalmic optics - Contact lenses - Part 3：Soft contact lenses 眼科光学 接触镜 第3部分：软性接触镜 |
China National Standards p |
English PDF |
| GB 11417.2-2012 |
Ophthalmic optics - Contact lenses - Part 2: Rigid contact lenses specification 眼科光学 接触镜 第2部分：硬性接触镜 |
China National Standards p |
English PDF |
| GB 10235-2012 |
Hazard reducing device for arc welding power source 弧焊电源 防触电装置 |
China National Standards p |
English PDF |
| GB 18445-2012 |
Cementitious capillary crystalline waterproofing materials 水泥基渗透结晶型防水材料 |
China National Standards p |
English PDF |
| GB 16914-2012 |
General safety technique conditions of gas burning appliances 燃气燃烧器具安全技术条件 |
China National Standards p |
English PDF |
| GB/T 8151.17-2012 |
Methods for chemical analysis of zinc concentrates - part 17：Determination of zinc content - Hydroxide precipitation and Na2EDTA titrimetric method 锌精矿化学分析方法 第17部分：锌量的测定 氢氧化物沉淀-Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 8151.14-2012 |
Methods for chemical analysis of zinc concentrates - part 14： Determination of nickel content - The flame atomic absorption spectrometric method 锌精矿化学分析方法 第14部分：镍量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.13-2012 |
Methods for chemical analysis of zinc concentrates - part 13： Determination of germanium content - Hydride generation-atomic fluorescence spectrometry and the phenyl fluorone spectrophptometric method 锌精矿化学分析方法 第13部分：锗量的测定 氢化物发生-原子荧光光谱法和苯芴酮分光光度法 |
China National Standards p |
English PDF |
| GB/T 8151.12-2012 |
Methods for chemical analysis of zinc concentrates - part 12： Determination of sliver content - The flame atomic absorption spectrometric method 锌精矿化学分析方法 第12部分：银量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.1-2012 |
Methods for chemical analysis of zinc concentrates - part 1：Determination of zinc content - Precipitate separation-Na2EDTA titrimetric method and extractive separation-Na2EDTA titrimetric method 锌精矿化学分析方法 第1部分：锌量的测定 沉淀分离Na2EDTA滴定法和萃取分离Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 8151.11-2012 |
Methods for chemical analysis of zinc concentrates - part 11： Determination of antimony content - Hydride generation-atomic fluorescence spectrometry 锌精矿化学分析方法 第11部分：锑量的测定 氢化物发生-原子荧光光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.10-2012 |
Methods for chemical analysis of zinc concentrates - part 10：Determination of tin content - Hydride generation-atomic fluorescence spectrometry 锌精矿化学分析方法 第10部分：锡量的测定 氢化物发生-原子荧光光谱法 |
China National Standards p |
English PDF |
| GB/T 8107-2012 |
Hydraulic fluid power-Valves - Determination of pressure differential/flow characteristics 液压阀 压差-流量特性的测定 |
China National Standards p |
English PDF |
| GB/T 7936-2012 |
Hydraulic fluid power-positive displacement pumps and motors - Determination of derived capacity 液压泵和马达 空载排量测定方法 |
China National Standards p |
English PDF |
| GB/T 8151.9-2012 |
Methods for chemical analysis of zinc concentrates - part 9： Determination of fluorine content - The ion selective electrode method 锌精矿化学分析方法 第9部分：氟量的测定 离子选择电极法 |
China National Standards p |
English PDF |
| GB/T 8151.8-2012 |
Methods for chemical analysis of zinc concentrates - part 8： Determination of cadmium content - The flame atomic absorption spectrometric method 锌精矿化学分析方法 第8部分：镉量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.7-2012 |
Methods for chemical analysis of zinc concentrates - part 7： Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate titrimetric method 锌精矿化学分析方法 第7部分：砷量的测定 氢化物发生-原子荧光光谱法和溴酸钾滴定法 |
China National Standards p |
English PDF |
| GB/T 8151.6-2012 |
Methods for chemical analysis of zinc concentrates - part 6： Determination of copper content - The flame atomic absorption spectrometric method 锌精矿化学分析方法 第6部分：铜量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.5-2012 |
Methods for chemical analysis of zinc concentrates - part 5： Determination of lead content - The flame atomic absorption spectrometric method 锌精矿化学分析方法 第5部分：铅量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.4-2012 |
Methods for chemical analysis of zinc concentrates - part 4： Determination of silicon dioxide content - Molybdenum blue spectrophotometry 锌精矿化学分析方法 第4部分：二氧化硅量的测定 钼蓝分光光度法 |
China National Standards p |
English PDF |
| GB/T 8151.3-2012 |
Methods for chemical analysis of zinc concentrates - part 3： Determination of iron content - Na2EDTA titrimetric method 锌精矿化学分析方法 第3部分：铁量的测定 Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 8151.2-2012 |
Methods for chemical analysis of zinc concentrates - part 2：Determination of sulfur content - The combustion neutralization titrimetric method 锌精矿化学分析方法 第2部分：硫量的测定 燃烧中和滴定法 |
China National Standards p |
English PDF |
| GB/T 8151.20-2012 |
Methods for chemical analysis of zinc concentrates - part 20：Determination of copper,lead,iron,arsenic,cadmium antimony, calcium,magnesium contents - Inductively coupled plasma atomic emission spectrometry 锌精矿化学分析方法 第20部分：铜、铅、铁、砷、镉、锑、钙、镁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.19-2012 |
Methods for chemical analysis of zinc sulfide concentrates - part 19：Determination of silver and gold contents - Fire assay and flame atomic absorption spectrometric method using scorification or cupellation 锌精矿化学分析方法 第19部分：金和银含量的测定 铅析或灰吹火试金和火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 8151.18-2012 |
Methods for chemical analysis of zinc concentrates - part 18： Determination of zinc content - Ion-exchange/ Na2EDTA titrimetric method 锌精矿化学分析方法 第18部分：锌量的测定 离子交换-Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 6003.2-2012 |
Test sieves - Technical requirements and testing - part 2: Test sieves of metal wire cloth 试验筛 技术要求和检验 第2部分：金属穿孔板试验筛 |
China National Standards p |
English PDF |
| GB/T 5247-2012 |
Electrolytic nickel powder 电解镍粉 |
China National Standards p |
English PDF |
| GB/T 5231-2012 |
Designation and chemical composition of wrought copper and copper alloys 加工铜及铜合金牌号和化学成分 |
China National Standards p |
English PDF |
| GB/T 5106-2012 |
Straight cylindrical involute splines - Gauge 圆柱直齿渐开线花键 量规 |
China National Standards p |
English PDF |
| GB/T 4324.9-2012 |
Methods for chemical analysis of tungsten - part 9: Determination of cadmium content - Inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry 钨化学分析方法 第9部分：镉量的测定 电感耦合等离子体原子发射光谱法和火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.7-2012 |
Methods for chemical analysis of tungsten - part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第7部分：钴量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.6-2012 |
Methods for chemical analysis of tungsten - part 6: Determination of iron content-1,10-phenanthroline spectrophotometry 钨化学分析方法 第6部分：铁量的测定 邻二氮杂菲分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.5-2012 |
Methods for chemical analysis of tungsten - part 5: Determination of arsenic content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第5部分：砷量的测定 氢化物原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.4-2012 |
Methods for chemical analysis of tungsten - part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第4部分：锑量的测定 氢化物原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.3-2012 |
Methods for chemical analysis of tungsten - part 3: Determination of tin content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第3部分：锡量的测定 氢化物原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.28-2012 |
Methods for chemical analysis of tungsten - part 28: Determination of molybdenum content - The thioyanate spectrophotometry 钨化学分析方法 第28部分：钼量的测定 硫氰酸盐分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.27-2012 |
Methods for chemical analysis of tungsten - part 27:：Determination of carbon content - High frequency combustion-infrared absorption method 钨化学分析方法 第27部分：碳量的测定 高频燃烧红外吸收法 |
China National Standards p |
English PDF |
| GB/T 4324.26-2012 |
Methods for chemical analysis of tungsten - part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry 钨化学分析方法 第26部分：氮量的测定 脉冲加热惰气熔融-热导法和奈氏试剂分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.25-2012 |
Methods for chemical analysis of tungsten - part 25: Determination of oxygen content - Pulse heating inert gas fusion-infrared absorption method 钨化学分析方法 第25部分：氧量的测定 脉冲加热惰气熔融-红外吸收法 |
China National Standards p |
English PDF |
| GB/T 4324.24-2012 |
Methods for chemical analysis of tungsten - part 24: Determination of phosphorus content - Molybdemum blue photometry 钨化学分析方法 第24部分：磷量的测定 钼蓝分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.23-2012 |
Methods for chemical analysis of tungsten - part 23: Determination of sulfur content - The combustion-conductometric titration and high frequency combustion-infrared absorption method 钨化学分析方法 第23部分：硫量的测定 燃烧电导法和高频燃烧红外吸收法 |
China National Standards p |
English PDF |
| GB/T 4324.22-2012 |
Methods for chemical analysis of tungsten - part 22: Determination of manganese content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第22部分：锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.2-2012 |
Methods for chemical analysis of tungsten - part 2: Determination of bismuth content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第2部分：铋量的测定 氢化物原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.21-2012 |
Methods for chemical analysis of tungsten - part 21: Determination of chromium content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第21部分：铬量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.20-2012 |
Methods for chemical analysis of tungsten - part 20: Determination of vanadium content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第20部分：钒量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.19-2012 |
Methods for chemical analysis of tungsten - part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry 钨化学分析方法 第19部分：钛量的测定 二安替比林甲烷分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.18-2012 |
Methods for chemical analysis of tungsten - part 18: Determination of potassium content - Flame atomic absorption spectrometry 钨化学分析方法 第18部分：钾量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.17-2012 |
Methods for chemical analysis of tungsten - part 17: Determination of sodium content - Flame atomic absorption spectrometry 钨化学分析方法 第17部分：钠量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.16-2012 |
Methods for chemical analysis of tungsten - part 16: Determination of loss content on ignition - Gravimetric method 钨化学分析方法 第16部分：灼烧损失量的测定 重量法 |
China National Standards p |
English PDF |
| GB/T 4324.14-2012 |
Methods for chemical analysis of tungsten - part 14: Determination of residue content after chloride volatility - Gravimetric method 钨化学分析方法 第14部分：氯化挥发后残渣量的测定 重量法 |
China National Standards p |
English PDF |
| GB/T 4324.12-2012 |
Methods for chemical analysis of tungsten - part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry 钨化学分析方法 第12部分：硅量的测定 氯化-钼蓝分光光度法 |
China National Standards p |
English PDF |
| GB/T 4324.1-2012 |
Methods for chemical analysis of tungsten - part 1: Determination of lead content - Flame atomic absorption spectrometry 钨化学分析方法 第1部分：铅量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.11-2012 |
Methods for chemical analysis of tungsten - part 11: Determination of aluminum content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第11部分：铝量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards p |
English PDF |
| GB/T 4324.10-2012 |
Methods for chemical analysis of tungsten - part 10: Determination of copper content - Flame atomic absorption spectrometry 钨化学分析方法 第10部分：铜量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 4103.9-2012 |
Methods for chemical analysis of lead and lead alloys - part 9: Determination of calcium content 铅及铅合金化学分析方法 第9部分：钙量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.8-2012 |
Methods for chemical analysis of lead and lead alloys - part 8: Determination of tellurium content 铅及铅合金化学分析方法 第8部分：碲量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.7-2012 |
Methods for chemical analysis of lead and lead alloys - part 7: Determination of selenium content 铅及铅合金化学分析方法 第7部分：硒量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.6-2012 |
Methods for chemical analysis of lead and lead alloys - part 6: Determination of arsenic content 铅及铅合金化学分析方法 第6部分：砷量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.5-2012 |
Methods for chemical analysis of lead and lead alloys - part 5: Determination of bismuth content 铅及铅合金化学分析方法 第5部分：铋量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.4-2012 |
Methods for chemical analysis of lead and lead alloys - part 4: Determination of iron content 铅及铅合金化学分析方法 第4部分：铁量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.3-2012 |
Methods for chemical analysis of lead and lead alloys - part 3: Determination of copper content 铅及铅合金化学分析方法 第3部分：铜量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.2-2012 |
Methods for chemical analysis of lead and lead alloys - part 2: Determination of antimony content 铅及铅合金化学分析方法 第2部分：锑量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.13-2012 |
Methods for chemical analysis of lead and lead alloys - part 13: Determination of aluminium content 铅及铅合金化学分析方法 第13部分：铝量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.12-2012 |
Methods for chemical analysis of lead and lead alloys - part 12: Determination of thallium content 铅及铅合金化学分析方法 第12部分：铊量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.1-2012 |
Methods for chemical analysis of lead and lead alloys - part 1: Determination of tin content 铅及铅合金化学分析方法 第1部分：锡量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.11-2012 |
Methods for chemical analysis of lead and lead alloys - part 11: Determination of zinc content 铅及铅合金化学分析方法 第11部分：锌量的测定 |
China National Standards p |
English PDF |
| GB/T 4103.10-2012 |
Methods for chemical analysis of lead and lead alloys - part 10: Determination of silver content 铅及铅合金化学分析方法 第10部分：银量的测定 |
China National Standards p |
English PDF |
| GB/T 3884.9-2012 |
Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photom 铜精矿化学分析方法 第9部分：砷和铋量的测定 氢化物发生-原子荧光光谱法、溴酸钾滴定法和二乙基二硫代氨基甲酸银分光光度法 |
China National Standards p |
English PDF |
| GB/T 3884.8-2012 |
Methods for chemical analysis of copper concentrates - Part 8: Determination of zinc content - Na2EDTA titration method 铜精矿化学分析方法 第8部分：锌量的测定 Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 3884.7-2012 |
Methods for chemical analysis of copper concentrates - Part 7: Determination of lead content - Na2EDTA titration method 铜精矿化学分析方法 第7部分：铅量的测定 Na2EDTA滴定法 |
China National Standards p |
English PDF |
| GB/T 3884.6-2012 |
Methods for chemical analysis of copper concentrates - Part 6: Determination of lead,zinc,cadmium and nickel content - Flame atomic absorption spectrometry method 铜精矿化学分析方法 第6部分：铅、锌、镉和镍量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 3884.5-2012 |
Methods for chemical analysis of copper concentrates - Part 5: Determination of fluoride content - Ion selective electrode method 铜精矿化学分析方法 第5部分：氟量的测定 离子选择电极法 |
China National Standards p |
English PDF |
| GB/T 3884.4-2012 |
Methods for chemical analysis of copper concentrates - Part 4: Determination of magnesium oxide content - Flame atomic absorption spectrophotometry method 铜精矿化学分析方法 第4部分：氧化镁量的测定 火焰原子吸收光谱法 |
China National Standards p |
English PDF |
| GB/T 3884.3-2012 |
Methods for chemical analysis of copper concentrates - Part 3: Determination of sulfur content - Gravimetric method and Combustion-titration method 铜精矿化学分析方法 第3部分：硫量的测定 重量法和燃烧-滴定法 |
China National Standards p |
English PDF |
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