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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 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 metal |
 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 metal |
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 metal |
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 metal |
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 metal |
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 metal |
English PDF |
| GB/T 15071-2008 |
Dysprosium metal 金属镝 |
China National Standards metal |
English PDF |
| GB/T 15019-2003 |
Designation and classification of rapidly quenched metals 快淬金属分类和牌号 |
China National Standards metal |
English PDF |
| GB/T 15014-2008 |
Physical quantity terminologies and definitions of elastic alloy, expansion alloy, thermostat metal, resistance alloy 弹性合金、膨胀合金、热双金属、电阻合金物理量术语及定义 |
China National Standards metal |
English PDF |
| GB/T 14992-2005 |
Classification and designation for superalloys and high temperature intermetallic materials 高温合金和金属间化合物高温材料的分类和牌号 |
China National Standards metal |
English PDF |
| GB/T 14895-2010 |
Terms in metal cutting tools - Gear cutters 金属切削刀具术语 切齿刀具 |
China National Standards metal |
English PDF |
| GB/T 14849.9-2015 |
Methods for chemical analysis of silicon metal—Part 9: Determination of titanium content —Diantipyryl methane spectrophotometry 工业硅化学分析方法 第9部分：钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards metal |
English PDF |
| GB/T 14849.8-2015 |
Methods for chemical analysis of silicon metal—Part 8: Determination of copper content—Atomic absorption spectrometric method 工业硅化学分析方法 第8部分：铜含量的测定 原子吸收光谱法 |
China National Standards metal |
English PDF |
| GB/T 14849.7-2015 |
Methods for chemical analysis of silicon metal—Part 7: Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometry 工业硅化学分析方法 第7部分：磷含量的测定 磷钼蓝分光光度法 |
China National Standards metal |
English PDF |
| GB/T 14849.6-2014 |
Methods for chemical analysis of silicon metal―Part 6：Determination of carbon―Infrared absorption method 工业硅化学分析方法 第6部分：碳含量的测定 红外吸收法 |
China National Standards metal |
English PDF |
| GB/T 14849.5-2014 |
Methods for chemical analysis of silicon metal―Part 5：Determination of impurity contents―X-ray fluorescence method 工业硅化学分析方法 第5部分：杂质元素含量的测定 X射线荧光光谱法 |
China National Standards metal |
English PDF |
| GB/T 14849.4-2014 |
Methods for chemical analysis of silicon metal―Part 4：Determination of impurity contents―Inductively coupled plasma atomic emission spectrometric method 工业硅化学分析方法 第4部分：杂质元素含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards metal |
English PDF |
| GB/T 14849.3-2007 |
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 metal |
English PDF |
| GB/T 14849.2-2007 |
Methods for chemical analysis of silicon metal - Part 2：Determination of aluminum content - Chrome azurol S spectrophotometric method 工业硅化学分析方法 第2部分：铝含量的测定 铬天青-S分光光度法 |
China National Standards metal |
English PDF |
| GB/T 14849.1-2007 |
Methods for chemical analysis of silicon metal - Part 1： Determination of iron content - 1,10-phenanthrolion spectrophotometric method 工业硅化学分析方法 第1部分：铁含量的测定 1，10一二氮杂菲分光光度法 |
China National Standards metal |
English PDF |
| GB/T 14834-2009 |
Rubber, vulcanized or thermoplastic - Determination of tendency to adhere to and corrode metals 硫化橡胶或热塑性橡胶 与金属粘附性及对金属腐蚀作用的测定 |
China National Standards metal |
English PDF |
| GB/T 1482-2010 |
metallic powders - Determination of flow time by means of a calibrated funnel (Hall flowmeter) 金属粉末 流动性的测定 标准漏斗法（霍尔流速计） |
China National Standards metal |
English PDF |
| GB/T 1481-2012 |
metallic powders (excluding powders for hardmetals) - Determination of compressibility in uniaxial compression 金属粉末(不包括硬质合金粉末)在单轴压制中压缩性的测定 |
China National Standards metal |
English PDF |
| GB/T 1480-2012 |
metallic powders - Determination of particle size by dry sieving 金属粉末 干筛分法测定粒度 |
China National Standards metal |
English PDF |
| GB/T 1479.2-2011 |
metallic powders - Determination of apparent density - Part 2: Scott volumeter method 金属粉末 松装密度的测定 第2部分：斯柯特容量计法 |
China National Standards metal |
English PDF |
| GB/T 1479.1-2011 |
metallic powders - Determination of apparent density - Part 1: funnal method 金属粉末 松装密度的测定 第1部分：漏斗法 |
China National Standards metal |
English PDF |
| GB/T 1467-2008 |
Method for chemical analysis of metallurgy product - General rules and regulations 冶金产品化学分析方法标准的总则及一般规定 |
China National Standards metal |
English PDF |
| GB/T 14667.1-1993 |
Powder metallurgy iron base structural materials--Part 1:Sintering iron，sintering carbon-steel，sintering copper-steel，sintering copper-modenim-steel 粉末冶金铁基结构材料 第一部分 烧结铁、烧结碳钢、烧结铜钢、烧结铜钼钢 |
China National Standards metal |
English PDF |
| GB/T 14635-2008 |
Rare earth metals and their compounds - Determination of total rare earth contents 稀土金属及其化合物化学分析方法 稀土总量的测定 |
China National Standards metal |
English PDF |
| GB/T 14580-2013 |
Fixed capacitors for use in electronic equipment—Part 17-1：Blank detail specification—Fixed metallized polypropylene film dielectric a.c. and pulse capacitors—Assessment level E and EZ 电子设备用固定电容器 第17-1部分：空白详细规范 金属化聚丙烯膜介质交流和脉冲固定电容器评定水平E和EZ |
China National Standards metal |
English PDF |
| GB/T 14579-2013 |
Fixed capacitors for use in electronic equipment—Part 17：Sectional specification—Fixed metallized polypropylene film dielectric a.c. and pulse capacitors 电子设备用固定电容器 第17部分:分规范 金属化聚丙烯膜介质交流和脉冲固定电容器 |
China National Standards metal |
English PDF |
| GB/T 14525-2010 |
General specification for corrugated metal hose assemblies 波纹金属软管通用技术条件 |
China National Standards metal |
English PDF |
| GB/T 14459-2006 |
Sampling inspection rules by attributes for precious metal adornment 贵金属饰品计数抽样检验规则 |
China National Standards metal |
English PDF |
| GB/T 14265-1993 |
General rule of chemical analysis for hydrogen，oxygen，nitrogen，carbon and sulfur in metal’s materials 金属材料中氢、氧、氮、碳和硫分析方法通则 |
China National Standards metal |
English PDF |
| GB/T 14260-2010 |
General rules for sampling and sample preparation of heavy nonferrous metals flotation concentrates in bulk 散装重有色金属浮选精矿取样、制样通则 |
China National Standards metal |
English PDF |
| GB/T 1425-1996 |
Determination of melting temperature range for precious metals and their alloys--Testing method of thermal analysis 贵金属及其合金熔化温度范围的测定 热分析试验方法 |
China National Standards metal |
English PDF |
| GB/T 1424-1996 |
Method of measurement of resistivity of precious metals and their alloys 贵金属及其合金材料电阻系数测试方法 |
China National Standards metal |
English PDF |
| GB/T 1423-1996 |
Method of measurement of density for precious metals and their alloys 贵金属及其合金密度的测试方法 |
China National Standards metal |
English PDF |
| GB/T 14165-2008 |
Corrosion of metals and alloys - Atmospheric corrosion testing - General requirements for field tests 金属和合金 大气腐蚀试验 现场试验的一般要求 |
China National Standards metal |
English PDF |
| GB/T 14130-1993 |
Performance requirements for digital sections of metallic cables used in telecommunication network 电缆数字段进网要求 |
China National Standards metal |
English PDF |
| GB/T 14034.1-2010 |
metallic tube connections for fluid power and general use - Part 1: 24°cone connectors 流体传动金属管连接 第1部分：24°锥形管接头 |
China National Standards metal |
English PDF |
| GB/T 14005-1992 |
Fixed capacitors for use in electronic equipment--Part 6:Blank detail specification--Fixed metallized polycarbonate film dielectric d.c. capacitors--Assessment level E 电子设备用固定电容器 第6部分:空白详细规范 金属化聚碳酸酯膜介质直流固定电容器 评定水平 E(可供认证用) |
China National Standards metal |
English PDF |
| GB/T 14004-1992 |
Fixed capacitors for use in electronic equipment--Part 6:Sectional specification--Fixed metallized polycarbonate film dielectric d.c. capacitors 电子设备用固定电容器 第6部分:分规范 金属化聚碳酸酯膜介质直流固定电容器(可供认证用) |
China National Standards metal |
English PDF |
| GB/T 13992-2010 |
metallic bonded resistance strain gauges 金属粘贴式电阻应变计 |
China National Standards metal |
English PDF |
| GB/T 13936-2014 |
Rubber,vulcanized―Method for determination of strength properties of adhesive to metal in shear by tension loading 硫化橡胶 与金属粘接拉伸剪切强度测定方法 |
China National Standards metal |
English PDF |
| GB/T 13925-2010 |
metallographs for high manganese cast steel 铸造高锰钢金相 |
China National Standards metal |
English PDF |
| GB/T 13913-2008 |
metallic coatings - Autocatalytic (Electroless) nickel-phosphorus alloy coatings - Specification and test methods 金属覆盖层 化学镀镍-磷合金镀层 规范和试验方法 |
China National Standards metal |
English PDF |
| GB/T 13912-2002 |
metallic coatings--Hot dip galvanized coatings on fabricated iron and steel articles--Specifications and test methods 金属覆盖层 钢铁制件热浸镀锌层技术要求及试验方法 |
China National Standards metal |
English PDF |
| GB/T 13911-2008 |
Designation for metallic coating and chemical treatment 金属镀覆和化学处理标识方法 |
China National Standards metal |
English PDF |
| GB/T 13826-2008 |
Wet type (non-metallic)friction materials 湿式(非金属类)摩擦材料 |
China National Standards metal |
English PDF |
| GB/T 13825-2008 |
metallic coatings - Hot dip galvanized coatings on ferrous materials - Gravimetric determination of the mass per unit area 金属覆盖层 黑色金属材料热镀锌层 单位面积质量称量法 |
China National Standards metal |
English PDF |
| GB/T 13815-2008 |
Aluminium base brazing filler metals 铝基钎料 |
China National Standards metal |
English PDF |
| GB/T 13813-2008 |
Testing method and judging rule of safety to friction spark of metallic material for coal mine 煤矿用金属材料摩擦火花安全性试验方法和判定规则 |
China National Standards metal |
English PDF |
| GB/T 13679-1992 |
Manganese base brazing filler metals 锰基钎料 |
China National Standards metal |
English PDF |
| GB/T 13665-2007 |
Test method for damping capacity of metallic damping materials - Torsion pendulum method and Bending vibration 金属阻尼材料阻尼本领试验方法 扭摆法和弯曲振动法 |
China National Standards metal |
English PDF |
| GB/T 13574-1992 |
metal-cutting machine tools--Test code for static rigidity 金属切削机床 静刚度检验通则 |
China National Standards metal |
English PDF |
| GB/T 13559-1992 |
Yttrium metal 金属钇 |
China National Standards metal |
English PDF |
| GB/T 13404-2008 |
Non-metallic PTFE envelope gaskets for pipe flanges 管法兰用非金属聚四氟乙烯包覆垫片 |
China National Standards metal |
English PDF |
| GB/T 13397-2008 |
Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 合金内氧化法银金属氧化物电触头技术条件 |
China National Standards metal |
English PDF |
| GB/T 13390-2008 |
metallic powder-Determination of the specific surface area - Method of nitrogen adsorption 金属粉末比表面积的测定 氮吸附法 |
China National Standards metal |
English PDF |
| GB/T 13353-1992 |
Test method for resistance of adhesive bonds to chemical reagents--metal to metal 胶粘剂耐化学试剂性能的测定方法 金属与金属 |
China National Standards metal |
English PDF |
| GB/T 13346-2012 |
metallic and other inorganic coatings - Electroplated coatings of cadmium with supplementary treatments on iron or steel 金属及其它无机覆盖层 钢铁上经过处理的镉电镀层 |
China National Standards metal |
English PDF |
| GB/T 13322-1991 |
metallic coating--Cd-Ti plating of low hydrogan embrittlement 金属覆盖层 低氢脆镉钛电镀层 |
China National Standards metal |
English PDF |
| GB/T 13301-1991 |
metals--Testing method for sensitivity of electrical resistance strain 金属材料电阻应变灵敏系数试验方法 |
China National Standards metal |
English PDF |
| GB/T 13298-2015 |
Inspection methods of microstructure for metals 金属显微组织检验方法 |
China National Standards metal |
English PDF |
| GB/T 13298-1991 |
metal--Inspection method of microstructure 金属显微组织检验方法 |
China National Standards metal |
English PDF |
| GB/T 13239-2006 |
metallic materials―Tensile testing at low temperature 金属材料低温拉伸试验方法 |
China National Standards metal |
English PDF |
| GB/T 13235.3-1995 |
Petroleumand liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Electro-optical distance-ranging internal method 石油和液体石油产品立式圆筒形金属油罐容积标定法(光电内测距法) |
China National Standards metal |
English PDF |
| GB/T 13235.2-1991 |
Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Optical reference line method 石油和液体石油产品 立式圆筒形金属油罐容积标定法 (光学参比线法) |
China National Standards metal |
English PDF |
| GB/T 13235.1-1991 |
Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Strapping method 石油和液体石油产品 立式圆筒形金属油罐容积标定法 (围尺法) |
China National Standards metal |
English PDF |
| GB/T 12972.6-2008 |
Flexible rubber-sheathed cables for mining purposes - Part 6：Flexible cables with monitoring core and metallic screens for rated voltages up to 6/10kV 矿用橡套软电缆 第6部分：额定电压6/10kV及以下金属屏蔽监视型软电缆 |
China National Standards metal |
English PDF |
| GB/T 12972.4-2008 |
Flexible rubber-sheathed cables for mining purposes - Part 4：Flexible coalcutter cables with individual metallic screens for rated voltages up to 1.9/3.3kV 矿用橡套软电缆 第4部分：额定电压1.9/3.3kV及以下采煤机金属屏蔽软电缆 |
China National Standards metal |
English PDF |
| GB/T 12968-1991 |
Eddy current decay method formeasurement of resistivity and residual resistance ratio of pure metals 纯金属电阻率与剩余电阻比涡流衰减测量方法 |
China National Standards metal |
English PDF |
| GB/T 12949-1991 |
Plain bearings--Bimetallic busheswith plastic overlay 滑动轴承 覆有减摩塑料层的双金属轴套 |
China National Standards metal |
English PDF |
| GB/T 12948-1991 |
Plain bearings--metallic multilayer plain bearings--Destructive testing of bond for bearing metals 滑动轴承 双金属结合强度破坏性试验方法 |
China National Standards metal |
English PDF |
| GB/T 12916-2010 |
Specification for marine metallic propeller 船用金属螺旋桨技术条件 |
China National Standards metal |
English PDF |
| GB/T 12789.4-1994 |
Criteria for nuclear reactor instrumentation--Part 4:Liquid-metal cooled fast reactors 核反应堆仪表准则 第四部分:液态金属冷却快堆 |
China National Standards metal |
English PDF |
| GB/T 12778-2008 |
Determination of charpy impact fracture surface for metallic materials 金属夏比冲击断口测定方法 |
China National Standards metal |
English PDF |
| GB/T 12777-2008 |
General specification for metal bellows expansion joints 金属波纹管膨胀节通用技术条件 |
China National Standards metal |
English PDF |
| GB/T 12767-1991 |
Powder metallurgy products--Surface roughness--Parameters and their values 粉末冶金制品 表面粗糙度 参数及其数值 |
China National Standards metal |
English PDF |
| GB/T 12690.9-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method 稀土金属及其氧化物中非稀土杂质化学分析方法 氯量的测定 硝酸银比浊法 |
China National Standards metal |
English PDF |
| GB/T 12690.8-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 钠量的测定 火焰原子吸收光谱法 |
China National Standards metal |
English PDF |
| GB/T 12690.7-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue spectrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards metal |
English PDF |
| GB/T 12690.6-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline spectrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 铁量的测定 硫氰酸钾、1，10-二氮杂菲分光光度法 |
China National Standards metal |
English PDF |
| GB/T 12690.5-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、M 稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体发射光谱法(方法1) 钴、锰、铅、镍、铜、锌、铝、铬的测定 电感耦合等离子 |
China National Standards metal |
English PDF |
| GB/T 12690.4-2003 |
Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法 |
China National Standards metal |
English PDF |
| GB/T 12690.3-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3: Determination of water content of rare earth oxides—Gravimetric method 稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分：稀土氧化物中水分量的测定 重量法 |
China National Standards metal |
English PDF |
| GB/T 12690.29-2000 |
Rare earth metals and their oxide--Determination of cerium oxide content--Fluorescent spectrophoto-metric method 稀土金属及其氧化物化学分析方法 荧光光度法测定稀土氧化物中氧化铈量 |
China National Standards metal |
English PDF |
| GB/T 12690.2-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method 稀土金属及其氧化物中非稀土杂质化学分析方法 第2部分：稀土氧化物中灼减量的测定 重量法 |
China National Standards metal |
English PDF |
| GB/T 12690.17-2010 |
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 17：Determination of niobium and tantalum contents of rare earth metals 稀土金属及其氧化物中非稀土杂质化学分析方法 第17部分：稀土金属中铌、钽量的测定 |
China National Standards metal |
English PDF |
| GB/T 12690.16-2010 |
Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis 稀土金属及其氧化物中非稀土杂质化学分析方法 第16部分：氟量的测定 离子选择性电极法 |
China National Standards metal |
English PDF |
| GB/T 12690.15-2006 |
Chemical analysis methods for non-rare earth metals and their oxide Determination of calcium oxide content 稀土金属及其氧化物中非稀土杂质化学分析方法 钙量的测定 |
China National Standards metal |
English PDF |
| GB/T 12690.14-2006 |
Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals 稀土金属及其氧化物中非稀土杂质化学分析方法 钛量的测定 |
China National Standards metal |
English PDF |
| GB/T 12690.13-2003 |
Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum 稀土金属及其氧化物中非稀土杂质化学分析方法 钼、钨量的测定 电感耦合等离子体发射光谱法和电感耦合等离子体质谱法 |
China National Standards metal |
English PDF |
| GB/T 12690.12-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method 稀土金属及其氧化物中非稀土杂质化学分析方法 钍量的测定 偶氮胂III分光光度法和电感耦合等离子体质谱法 |
China National Standards metal |
English PDF |
| GB/T 12690.1-2015 |
Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 1: Determination of carbon and sulfur contents—High frequency-infrared absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards metal |
English PDF |
| GB/T 12690.11-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 镁量的测定 火焰原子吸收光谱法 |
China National Standards metal |
English PDF |
| GB/T 12690.10-2003 |
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method 稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法 |
China National Standards metal |
English PDF |
| GB/T 12611-2008 |
Technical requirements of quality control for metal parts to be coated 金属零（部）件镀覆前质量控制技术要求 |
China National Standards metal |
English PDF |
| GB/T 12609-2005 |
Electrodeposited metallic coatings and related finishes -- Sampling procedures for inspection by attributes 电沉积金属覆盖层和相关精饰 计数检验抽样程序 |
China National Standards metal |
English PDF |
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