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Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 4930-2008 |
Microbeam analYSis - Electron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs) 微束分析 电子探针分析 标准样品技术条件导则 |
China National Standards YS |
English PDF |
GB/T 21638-2008 |
Guide for electron beam microananlYSis of defect in steel materials 钢铁材料缺陷电子束显微分析方法通则 |
China National Standards YS |
English PDF |
GB/T 21636-2008 |
Microbeam analYSis - Electron Probe Micro Analysis (EPMA) - Vocabulary 微束分析 电子探针显微分析 (EPMA) 术语 |
China National Standards YS |
English PDF |
GB/T 21711.1-2008 |
Electromechanical elementary relaYS - Part 1: General and safety requirements 基础机电继电器 第1部分:总则与安全要求 |
China National Standards YS |
English PDF |
GB/T 21671-2008 |
Acceptance test specification for Local Area Network (LAN) sYStems based on ethernet technology 基于以太网技术的局域网系统验收测评规范 |
China National Standards YS |
English PDF |
GB/T 21642.2-2008 |
The technical requirements for video conference sYStem devices based on IP-based network - Part 2: Multipoint Processor 基于IP网络的视讯会议系统设备技术要求 第2部分: 多点处理器(MP) |
China National Standards YS |
English PDF |
GB/T 21642.1-2008 |
The technical requirements for video conference sYStem devices based on IP-based network - Part 1: Multipoint Controller 基于IP网络的视讯会议系统设备技术要求 第1部分:多点控制器(MC) |
China National Standards YS |
English PDF |
GB/T 21641-2008 |
Technique requirements of video conferencing sYStem inter working between different technologies 基于不同技术的应急视讯会议系统互通技术要求 |
China National Standards YS |
English PDF |
GB/T 21640-2008 |
Technical standards for cooperation between equipments of IP-based video conference sYStem 基于IP网络的视讯会议系统设备互通技术要求 |
China National Standards YS |
English PDF |
GB/T 15941-2008 |
Requirements for Synchronous Digital hierarchy (SDH) Optical Fiber Cable Line SYStems 同步数字体系(SDH)光缆线路系统进网要求 |
China National Standards YS |
English PDF |
GB/T 795-2008 |
Components of halon fire extinguishing sYStems 卤代烷灭火系统及零部件 |
China National Standards YS |
English PDF |
GB 13851-2008 |
Traffic safety signs on inland waterwaYS 内河交通安全标志 |
China National Standards YS |
English PDF |
GB/T 22838.17-2009 |
Determination of phYSical characteristics for cigarettes and filter rods - Part 17: Cigarettes - Determination of loss of tobacco from the ends - Method using a vibro-bench 卷烟和滤棒物理性能的测定 第17部分:卷烟 端部掉落烟丝的测定 振动法 |
China National Standards YS |
English PDF |
GB/T 9290-2008 |
Surface active agents - Technical ethoxylated fatty amines - Method of analYSis 表面活性剂 工业乙氧基化脂肪胺 分析方法 |
China National Standards YS |
English PDF |
GB/T 21527-2008 |
Elastic pads for rail transit fasten sYStem 轨道交通扣件系统弹性垫板 |
China National Standards YS |
English PDF |
GB/T 6913-2008 |
AnalYSis of water used in boiler and cooling system - Determination of phosphorus 锅炉用水和冷却水分析方法 磷酸盐的测定 |
China National Standards YS |
English PDF |
GB/T 6912-2008 |
AnalYSis of water used in boiler and cooling system - Determination of nitrite 锅炉用水和冷却水分析方法 亚硝酸盐的测定 |
China National Standards YS |
English PDF |
GB/T 6909-2008 |
AnalYSis of water used in boiler and cooling system - Determination of hardness 锅炉用水和冷却水分析方法 硬度的测定 |
China National Standards YS |
English PDF |
GB/T 6908-2008 |
AnalYSis of water used in boil and cooling system-Determination of electrical conductivity 锅炉用水和冷却水分析方法 电导率的测定 |
China National Standards YS |
English PDF |
GB/T 6904-2008 |
Water used in industrial circulating cooling sYStem and boiler - Determination of pH 工业循环冷却水及锅炉用水中pH的测定 |
China National Standards YS |
English PDF |
GB/T 15453-2008 |
Water for industrial circulating cooling sYStem and boiler - Determination of chloride 工业循环冷却水和锅炉用水中氯离子的测定 |
China National Standards YS |
English PDF |
GB/T 14640-2008 |
Water used in industrial circulating cooling sYStem and boiler - Determination of potassium and sodium 工业循环冷却水及锅炉用水中钾、钠含量的测定 |
China National Standards YS |
English PDF |
GB/T 14427-2008 |
AnalYSis of water used in boiler and cooling system - Determination of iron 锅炉用水和冷却水分析方法 铁的测定 |
China National Standards YS |
English PDF |
GB/T 14422-2008 |
AnalYSis of water used in boiler and cooling system - Determination of benzotriazole 锅炉用水和冷却水分析方法 苯骈三氮唑的测定 |
China National Standards YS |
English PDF |
GB/T 12832-2008 |
Rubber-Determination of crYStallization effects by hardness measurements 橡胶结晶效应的测定 硬度测量法 |
China National Standards YS |
English PDF |
GB/T 12154-2008 |
AnalYSis of water used in boiler and cooling system - Determination of total aluminium 锅炉用水和冷却水分析方法 全铝的测定 |
China National Standards YS |
English PDF |
GB/T 10656-2008 |
AnalYSis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry 锅炉用水和冷却水分析方法 锌离子的测定 锌试剂分光光度法 |
China National Standards YS |
English PDF |
GB/T 21548-2008 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication sYStems 光通信用高速直接调制半导体激光器的测量方法 |
China National Standards YS |
English PDF |
GB/T 19903.11-2008 |
Industrial automation sYStems and integration - Physical device control - Data model for computerized numerical controllers - Part 11: process data for milling 工业自动化系统与集成 物理设备控制 计算机数值控制器用的数据模型 第11部分: 铣削用工艺数据 |
China National Standards YS |
English PDF |
GB 17888.2-2008 |
Safety of machinery - Permanent means of access to machinery - Part 2: Working platforms and walkwaYS 机械安全 进入机械的固定设施 第2部分:工作平台和通道 |
China National Standards YS |
English PDF |
GB/T 985.3-2008 |
Recommended joint preparation for gas-shield arc welding on aluminium and its alloYS 铝及铝合金气体保护焊的推荐坡口 |
China National Standards YS |
English PDF |
GB/T 6150.6-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination hygroscopic moisture content - Gravimetric method 钨精矿化学分析方法 湿存水量的测定 重量法 |
China National Standards YS |
English PDF |
GB/T 6150.5-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of calcium content - EDTA volumetric method and flame atomic absorption spectrometric method 钨精矿化学分析方法 钙量的测定 EDTA容量法和火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 6150.4-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of sulfur content - The high frequency-infrared absorption method 钨精矿化学分析方法 硫量的测定 高频红外吸收法 |
China National Standards YS |
English PDF |
GB/T 6150.15-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of bismuth content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 铋量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 6150.14-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method 钨精矿化学分析方法 锰量的测定 硫酸亚铁铵容量法和火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 6150.1-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method 钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法 |
China National Standards YS |
English PDF |
GB/T 6150.11-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of zinc content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 锌量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 6150.10-2008 |
Methods for chemical analYSis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 铅量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 5124.2-2008 |
Methods for chemical analYSis of hardmetals - Determination of insoluble (free) carbon content - Gravimetric method 硬质合金化学分析方法 不溶(游离)碳量的测定 重量法 |
China National Standards YS |
English PDF |
GB/T 5124.1-2008 |
Methods for chemical analYSis of hardmetals - Determination of total carbon content - Gravimetric method 硬质合金化学分析方法 总碳量的测定 重量法 |
China National Standards YS |
English PDF |
GB/T 3253.6-2008 |
Methods for chemical analYSis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method 锑及三氧化二锑化学分析方法 硒量的测定 原子荧光光谱法 |
China National Standards YS |
English PDF |
GB/T 3253.5-2008 |
Methods for chemical analYSis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometric method 锑及三氧化二锑化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 3253.3-2008 |
Methods for chemical analYSis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method 锑及三氧化二锑化学分析方法 铅量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 3253.2-2008 |
Methods for chemical analYSis of antimony and antimony trioxide - Determination of iron content - Orthophenanthroline spectrophotometric method 锑及三氧化二锑化学分析方法 铁量的测定 邻二氮杂菲分光光度法 |
China National Standards YS |
English PDF |
GB/T 3253.1-2008 |
Methods for chemical analYSis of antimony and antimony trioxide - Determination of arsenic content - Arsenic molybdenum blue spectrophotometric method 锑及三氧化二锑化学分析方法 砷量的测定 砷钼蓝分光光度法 |
China National Standards YS |
English PDF |
GB/T 21540-2008 |
Hydraulic fluid power - On-line automatic particle-counting sYStems for liquids - Methods of calibration and validation 液压传动 液体在线自动颗粒计数系统 校准和验证方法 |
China National Standards YS |
English PDF |
GB/T 20975.9-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 9:Determination of lithium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第9部分:锂含量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 20975.8-2008 |
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 YS |
English PDF |
GB/T 20975.7-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 7:Determination of manganese content Potassium periodate spectrophotometric method 铝及铝合金化学分析方法 第7部分: 锰含量的测定 高碘酸钾分光光度法 |
China National Standards YS |
English PDF |
GB/T 20975.6-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 6:Determination of cadmium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第6部分:镉含量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 20975.5-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 5:Determination of silicon content 铝及铝合金化学分析方法 第5部分:硅含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.4-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 4:Determination of iron content Orthopenanthroline photometric method 铝及铝合金化学分析方法 第4部分:铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards YS |
English PDF |
GB/T 20975.3-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 3:Determination of copper content 铝及铝合金化学分析方法 第3部分: 铜含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.24-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 24:Determination of total rare earth contents 铝及铝合金化学分析方法 第24部分:稀土总含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.23-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 23:Determination of antimony content Potassium iodide spectrophotometric method 铝及铝合金化学分析方法 第23部分:锑含量的测定 碘化钾分光光度法 |
China National Standards YS |
English PDF |
GB/T 20975.22-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 22:Determination of beryllium content SCR spectrophotometric method 铝及铝合金化学分析方法 第22部分:铍含量的测定 依莱铬氰兰R分光光度法 |
China National Standards YS |
English PDF |
GB/T 20975.21-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 21:Determination of calcium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第21部分:钙含量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 20975.20-2008 |
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 YS |
English PDF |
GB/T 20975.19-2008 |
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 YS |
English PDF |
GB/T 20975.18-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 18:Determination of chromium content 铝及铝合金化学分析方法 第18部分:铬含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.17-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 17: Determination of strontium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第17部分:锶含量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 20975.16-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 16:Determination of magnesium 铝及铝合金化学分析方法 第16部分:镁含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.15-2008 |
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 YS |
English PDF |
GB/T 20975.14-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 14:Determination of nickel content 铝及铝合金化学分析方法 第14部分:镍含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.13-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 13:Determination of vanadium content N-benzoyl-Nphenylhydroxylamine spectrophotometric method 铝及铝合金化学分析方法 第13部分: 钒含量的测定 苯甲酰苯胲分光光度法 |
China National Standards YS |
English PDF |
GB/T 20975.12-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 12:Determination of titanium content 铝及铝合金化学分析方法 第12部分:钛含量的测定 |
China National Standards YS |
English PDF |
GB/T 20975.11-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 11:Determination of lead content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第11部分:铅含量的测定 火焰原子吸收光谱法 |
China National Standards YS |
English PDF |
GB/T 20975.10-2008 |
Methods for chemical analYSis of aluminium and aluminium alloys - Part 10:Determination of tin content 铝及铝合金化学分析方法 第10部分: 锡含量的测定 |
China National Standards YS |
English PDF |
GB/T 19198-2008 |
Testing method for thermo-electromotive force of precious metals and their alloYS pair up with platinum or copper 贵金属及其合金对铂、对铜热电动势的测量方法 |
China National Standards YS |
English PDF |
GB/T 18116.2-2008 |
Chemical analYSis methods of Yttrium-europium oxides - Determination of europium oxides 氧化钇铕化学分析方法 氧化铕量的测定 |
China National Standards YS |
English PDF |
GB/T 17684-2008 |
Terminology for precious metals and their alloYS 贵金属及其合金术语 |
China National Standards YS |
English PDF |
GB/T 15159-2008 |
Composite material strips of precious metals and their alloYS 贵金属及其合金复合带材 |
China National Standards YS |
English PDF |
GB/T 15076.9-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum 钽铌化学分析方法 钽中铁、铬、镍、锰、钛、铝、铜、锡、铅和锆量的测定 |
China National Standards YS |
English PDF |
GB/T 15076.8-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of carbon and sulphur contents 钽铌化学分析方法 碳量和硫量的测定 |
China National Standards YS |
English PDF |
GB/T 15076.16-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of sodium and potassium contents 钽铌化学分析方法 钠量和钾量的测定 |
China National Standards YS |
English PDF |
GB/T 15076.15-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of hydrogen content 钽铌化学分析方法 氢量的测定 |
China National Standards YS |
English PDF |
GB/T 15076.14-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of oxygen content 钽铌化学分析方法 氧量的测定 |
China National Standards YS |
English PDF |
GB/T 15076.12-2008 |
Methods for chemical analYSis of tantalum and niobium - Determination of phosphorus content in tantalum 钽铌化学分析方法 钽中磷量的测定 |
China National Standards YS |
English PDF |
GB/T 15072.9-2008 |
Test method of precious metal alloYS - Determination of indium content for gold alloys - Complexometric return titration using EDTA 贵金属合金化学分析方法 金合金中铟量的测定 EDTA络合返滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.8-2008 |
Test method of precious metal alloYS - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA 贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.7-2008 |
Test methods of precious metal alloYS - Determination of chromium and iron contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铬和铁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.6-2008 |
Test method of precious metal alloYS - Determination of iridium contents for platinum, palladium alloys - Electricity titration with ferrous sulfate 贵金属合金化学分析方法 铂、钯合金中铱量的测定 硫酸亚铁电流滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.5-2008 |
Test method of precious metal alloYS - Determination of silver content for gold and palladium alloys - Potentionmeter titration with potassium iodide 贵金属合金化学分析方法 金、钯合金中银量的测定 碘化钾电位滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.4-2008 |
Test method of precious metal alloYS - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry 贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法 |
China National Standards YS |
English PDF |
GB/T 15072.3-2008 |
Test method of precious metal alloYS - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate 贵金属合金化学分析方法 金、铂、钯合金中铂量的测定 高锰酸钾电流滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.2-2008 |
Test method of precious metal alloYS - Determination of silver contents for silver alloys - Potentionmeter titration with sodium chloride 贵金属合金化学分析方法 银合金中银量的测定 氯化钠电位滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.19-2008 |
Test method of precious metal alloYS - Determination of vanadium and magnesium contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中钒和镁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.18-2008 |
Test method of precious metal alloYS - Determination of zirconium and gadolinium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中锆和镓量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.17-2008 |
Test method of precious metal alloYS - Determination of tungsten contents for platinum alloys - Tungstic acid gravimetry 贵金属合金化学分析方法 铂合金中钨量的测定 三氧化钨重量法 |
China National Standards YS |
English PDF |
GB/T 15072.16-2008 |
Test method of precious metal alloYS - Determination of copper and manganese contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铜和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.15-2008 |
Test method of precious metal alloYS - Determination of nickel, zinc and manganese contents for gold, silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金、银、钯合金中镍、锌和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.14-2008 |
Test method of precious metal alloYS - Determination of aluminium and nickel contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中铝和镍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.13-2008 |
Test method of precious metal alloYS - Determination of tin , cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中锡、铈和镧量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.12-2008 |
Test method of precious metal alloYS - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry 贵金属合金化学分析方法 银合金中钒量的测定 过氧化氢分光光度法 |
China National Standards YS |
English PDF |
GB/T 15072.1-2008 |
Test method of precious alloYS - Determination of gold content for gold, platinum and palladium alloys - Potentiometric titration using ferrous sulfate 贵金属合金化学分析方法 金、铂、钯合金中金量的测定 硫酸亚铁电位滴定法 |
China National Standards YS |
English PDF |
GB/T 15072.11-2008 |
Test method of precious metal alloYS - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中钆和铍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards YS |
English PDF |
GB/T 15072.10-2008 |
Test method of precious metal alloYS - Determination of nickel content for gold alloys - Complexometric backing titration using EDTA 贵金属合金化学分析方法 金合金中镍量的测定 EDTA络合返滴定法 |
China National Standards YS |
English PDF |
GB/T 15071-2008 |
DYSprosium metal 金属镝 |
China National Standards YS |
English PDF |
GB/T 13558-2008 |
DYSprosium oxide 氧化镝 |
China National Standards YS |
English PDF |
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