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Standard Code | Standard Title | Standard Class | Order |
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GB/T 12918-2009 |
Specification for oil discharge monitoring and control systems for oil tankers 油船排油监控系统技术条件 |
China National Standards to |
English PDF |
GB/T 12913-2008 |
Capacitor tissue paper 电容器纸 |
China National Standards to |
English PDF |
GB/T 12908-2002 |
Information technology--Automatic identification and data capture technique--Bar code symbology specifications--Code 39 信息技术 自动识别和数据采集技术 条码符号规范 三九条码 |
China National Standards to |
English PDF |
GB/T 12859.2-2012 |
Piezoelectric ceramic resonators - A specification in the IEC quality assessment System for electronic components (IECQ) - Part 2: Sectional specification-Qualification approval 电子元器件质量评定体系规范 压电陶瓷谐振器 第2部分:分规范- 鉴定批准 |
China National Standards to |
English PDF |
GB/T 12859.201-2012 |
Piezoelectric ceramic resonators - A specification in the quality assessment System for electronic components - Part 2-1: Blank detail specification-Assessment level E 电子元器件质量评定体系规范 压电陶瓷谐振器 第2-1部分:空白详细规范-评定水平E |
China National Standards to |
English PDF |
GB/T 12859.1-2012 |
Piezoelectric ceramic resonators - A specification in the IEC quality assessment System for electronic components(IECQ) - Part 1: Generic specification-Qualification approval 电子元器件质量评定体系规范 压电陶瓷谐振器 第1部分:总规范- 鉴定批准 |
China National Standards to |
English PDF |
GB/T 12854-1991 |
Blank detail specification for pulse modulator tubes 脉冲调制管空白详细规范 (可供认证用) |
China National Standards to |
English PDF |
GB/T 12830-2008 |
Rubber,vulcanized or thermoplastic - Determination of shear modulus and adhesion to rigid plates - Quadruple shear methods 硫化橡胶或热塑性橡胶 与刚性板剪切模量和粘合强度的测定 四板剪切法 |
China National Standards to |
English PDF |
GB/T 12823.4-2008 |
Photography - Density measurement - Part 4: Geometric conditions for reflection density 摄影 密度测量 第4部分:反射密度的几何条件 |
China National Standards to |
English PDF |
GB/T 12823.1-2008 |
Photography - Density measurement - Part 1: Terms, symbols and notations 摄影 密度测量 第1部分:术语、符号和表示法 |
China National Standards to |
English PDF |
GB/T 12810-1991 |
Laboratory glassware--Volumetric glassware--Methods for use and testing of capacity 实验室玻璃仪器 玻璃量器的容量校准和使用方法 |
China National Standards to |
English PDF |
GB/T 12809-2015 |
Laboratory glassware—Principles of design and construction of volumetric glassware 实验室玻璃仪器 玻璃量器的设计和结构原则 |
China National Standards to |
English PDF |
GB/T 12809-1991 |
Laboratory glassware--Principles of design and construction of volumetric glassware 实验室玻璃仪器 玻璃量器的设计和结构原则 |
China National Standards to |
English PDF |
GB/T 12808-2015 |
Laboratory glassware—One mark pipettes 实验室玻璃仪器 单标线吸量管 |
China National Standards to |
English PDF |
GB/T 12808-1991 |
Laboratory glassware--One-mark pipettes 实验室玻璃仪器 单标线吸量管 |
China National Standards to |
English PDF |
GB/T 12807-1991 |
Laboratory glassware--Graduated pipettes 实验室玻璃仪器 分度吸量管 |
China National Standards to |
English PDF |
GB/T 12806-2011 |
Laboratory glassware - One-mark volumetric flasks 实验室玻璃仪器 单标线容量瓶 |
China National Standards to |
English PDF |
GB/T 12805-2011 |
Laboratory glassware - Burettes 实验室玻璃仪器 滴定管 |
China National Standards to |
English PDF |
GB/T 12804-2011 |
Laboratory glassware - Graduated measuring cylinders 实验室玻璃仪器 量筒 |
China National Standards to |
English PDF |
GB/T 12803-2015 |
Laboratory glassware—Conical graduated 实验室玻璃仪器 量杯 |
China National Standards to |
English PDF |
GB/T 12803-1991 |
Laboratory glassware--Conical graduates 实验室玻璃仪器 量杯 |
China National Standards to |
English PDF |
GB/T 12796.2-2012 |
Permanent ferrite magnets - Part 2: Sectional specification for permanent ferrite magnets for use in micromotors 永磁铁氧体磁体 第2部分:微电机用永磁铁氧体磁体分规范 |
China National Standards to |
English PDF |
GB/T 12795-1991 |
Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and porous anode--Assessment level E 电子设备用固定电容器 第15部分:空白详细规范 非固体电解质多孔阳极钽电容器 评定水平 E (可供认证用) |
China National Standards to |
English PDF |
GB/T 12794-1991 |
Fixed capacitors for use in electronic equipment--Part 15:Blank detail specification--Tantalum capacitors with non-solid electrolyte and foil electrode--Assessment level E 电子设备用固定电容器 第15部分:空白详细规范 非固体电解质箔电极钽电容器 评定水平 E (可供认证用) |
China National Standards to |
English PDF |
GB/T 12793-1991 |
Generic specification for installing and removal tools for connectors electrical contact 电连接器接触件嵌卸工具总规范 |
China National Standards to |
English PDF |
GB/T 12790-2008 |
Method for identification of documents related to safety class 1E equipment and systems for nuclear power plants 核电厂安全级电气设备和系统文件标识方法 |
China National Standards to |
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 to |
English PDF |
GB/T 12789.3-1992 |
Criteria for nuclear reactorinstrumentation--Part 3:High temperature gas cooled reactor(HTGR) 核反应堆仪表准则 第三部分:高温气冷反应堆 |
China National Standards to |
English PDF |
GB/T 12789.2-1991 |
Criteria for nuclear reactor instrumentation--Part 2:Pressurized water reactors 核反应堆仪表准则 第二部分:压水堆 |
China National Standards to |
English PDF |
GB/T 12789.1-1991 |
Criteria for nuclear reactor instrumentation--Part 1:General principles 核反应堆仪表准则 第一部分:一般原则 |
China National Standards to |
English PDF |
GB/T 12786-2006 |
Automatic electric power plant with internal combustion engines for general specification 自动化内燃机电站通用技术条件 |
China National Standards to |
English PDF |
GB/T 12785-2014 |
Test methods for submersible motor-pumps 潜水电泵 试验方法 |
China National Standards to |
English PDF |
GB/T 12783-2000 |
Editorial nominating method for the modeldesignation of rubber and plastics machinery 橡胶塑料机械产品型号编制方法 |
China National Standards to |
English PDF |
GB/T 12782-2007 |
Motor vehicle - Heating performance requirement - Test method 汽车采暖性能要求和试验方法 |
China National Standards to |
English PDF |
GB/T 12775-1991 |
Generic specification for disc-style ceramic dielectric variable preset capacitors in electronic equipment 电子设备用圆片型瓷介预调可变电容器总规范 |
China National Standards to |
English PDF |
GB/T 12764-2009 |
Rolling bearings - Needle roller bearings,drawn cup without inner ring - Boundary dimensions and tolerances 滚动轴承 无内圈、冲压外圈滚针轴承 外形尺寸和公差 |
China National Standards to |
English PDF |
GB/T 12763.10-2007 |
Specification for oceanographic survey - Part 10:Submarine topography and geomorphology 海洋调查规范 第10部分:海底地形地貌调查 |
China National Standards to |
English PDF |
GB/T 12760-1991 |
Cylindrical worm and wormwheel information of the dimensional data to be given on the drawing 圆柱蜗杆、蜗轮图样上应注明的尺寸数据 |
China National Standards to |
English PDF |
GB/T 12759-1991 |
Double-circular-arc tooth profile of basic rack for cylindrical gears 双圆弧圆柱齿轮基本齿廓 |
China National Standards to |
English PDF |
GB/T 12750-2006 |
Semiconductor devices―Integrated circuits―Part 11: Sectional specification for semiconductor integrated circuits excluding hybrid circuits 半导体器件 集成电路 第11部分:半导体集成电路分规范(不包括混合电路) |
China National Standards to |
English PDF |
GB/T 12747.2-2004 |
Shunt power capacitors of the self-healing type for a.c.systems having a rated voltage up to and including 1000V--Part 2:Ageing test,self-healing test and destruction test 标称电压1 kV及以下交流电力系统用自愈式并联电容器 第2部分:老化试验、自愈性试验和破坏试验 |
China National Standards to |
English PDF |
GB/T 12747.1-2004 |
Shunt power capacitors of the self-healing type for a.c. systems having a rated valtage up to and including 1000V--Part 1:General--Performance,testing and rating--Safety requirements--Guide for installation and operation 标称电压1 kV及以下交流电力系统用自愈式并联电容器 第1部分:总则----性能、试验和定额----安全要求----安装和运行导则 |
China National Standards to |
English PDF |
GB/T 12729.7-2008 |
Spices and condiments - Determination of total ash 香辛料和调味品 总灰分的测定 |
China National Standards to |
English PDF |
GB/T 12726.5-1997 |
Radiation monitoring equipment for accident and post-accident conditions in nuclear power plants--Part 5:Monitoring equipment for air radioactivity 核电厂事故及事故后辐射监测设备 第五部分:空气放射性监测设备 |
China National Standards to |
English PDF |
GB/T 12726.4-2013 |
Nuclear power plants―Instrumentation important to safety―Radiation monitoring for accident and post-accident conditions―Part 4: Equipment for continuous in-line or on-line monitoring of radioactivity in process streams 核电厂安全重要仪表 事故及事故后辐射监测 第4部分:工艺流管内或管旁放射性连续监测设备 |
China National Standards to |
English PDF |
GB/T 12726.3-2013 |
Nuclear power plants―Instrunmentation important to safety―Radiation monitoring for accident and post-accident conditions―Part 3: Equipment for continous high range area gamma monitoring 核电厂安全重要仪表 事故及事故后辐射监测 第3部分:高量程区域γ连续监测设备 |
China National Standards to |
English PDF |
GB/T 12726.2-2013 |
Nuclear power plants―Instrumentation important to safety―Radiation monitoring for accident and post-accident conditions—Part 2: Equipment for continuous off-line monitoring of radioactivity in gaseous effluents and ventilation air 核电厂安全重要仪表 事故及事故后辐射监测 第2部分:气态排出流及通风中放射性离线连续监测设备 |
China National Standards to |
English PDF |
GB/T 12726.1-2013 |
Nuclear power plants―Instrumentation important to safety―Radiation monitoring for accident and post-accident conditions―Part 1: General requirements 核电厂安全重要仪表 事故及事故后辐射监测 第1部分:一般要求 |
China National Standards to |
English PDF |
GB/T 12712-1991 |
The requirements for supervision of recovery of condensate from steam heating system and technique ofautomatic steam traps 蒸汽供热系统凝结水回收及蒸汽疏水阀技术管理要求 |
China National Standards to |
English PDF |
GB/T 12706.4-2008 |
Power cables with extruded insulation and their accessories for rated voltages from lkV (Um=1.2kV) up to 35kV(Um=40.5kV) - Part 4: Test requirements on accessories for cables with rated voltages from 6kV(Um=7.2kV) up to 35kV(Um=40.5kV) 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第4部分:额定电压6kV(Um=7.2kV)到35kV(Um=40.5kV)电力电缆附件试验要求 |
China National Standards to |
English PDF |
GB/T 12706.3-2008 |
Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 3: Cables for rated voltage of 35kV(Um=40.5kV) 额定电压1kV(Um=1.2kV)到35kV (Um=40.5kV)挤包绝缘电力电缆及附件 第3部分:额定电压35kV(Um=40.5kV)电缆 |
China National Standards to |
English PDF |
GB/T 12706.2-2008 |
Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 2: Cables for rated voltages from 6kV(Um=7.2kV) up to 30kV(Um=36kV) 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第2部分:额定电压6kV(Um=7.2kV)到30kV(Um=36kV)电缆 |
China National Standards to |
English PDF |
GB/T 12706.1-2008 |
Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) - Part 1: Cables for rated voltage of 1kV (Um=1.2kV) and 3kV (Um=3.6kV) 额定电压1kV(Um=1.2kV)到35kV(Um=40.5kV)挤包绝缘电力电缆及附件 第1部分:额定电压1kV(Um=1.2kV)和3kV(Um=3.6kV)电缆 |
China National Standards to |
English PDF |
GB/T 12701-2014 |
Ethylene and propylene for industrial use—Determination of trace oxygenates—Gas chromatographic method 工业用乙烯、丙烯中微量含氧化合物的测定 气相色谱法 |
China National Standards to |
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 to |
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 to |
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 to |
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 to |
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 to |
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 to |
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 to |
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 to |
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 to |
English PDF |
GB/T 12689.9-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of antimony content--The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method 锌及锌合金化学分析方法 锑量的测定 原子荧光光谱法和火焰原子吸收光谱法 |
China National Standards to |
English PDF |
GB/T 12689.8-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of silicon content--The molybdenum blue spectrophotometric method 锌及锌合金化学分析方法 硅量的测定 钼蓝分光光度法 |
China National Standards to |
English PDF |
GB/T 12689.7-2010 |
Methods for chemical analysis of zinc and zinc alloys - Part 7:Determination of magnesium content - Flame atomic absorption spectrometric method 锌及锌合金化学分析方法 第7部分: 镁量的测定 火焰原子吸收光谱法 |
China National Standards to |
English PDF |
GB/T 12689.5-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of iron content--The sultosalicylic acid spectrometric method and the flame atomic absorption spectrometric method 锌及锌合金化学分析方法 铁量的测定 磺基水杨酸分光光度法和火焰原子吸收光谱法 |
China National Standards to |
English PDF |
GB/T 12689.4-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of copper content--The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method 锌及锌合金化学分析方法 铜量的测定 二乙基二硫代氨基甲酸铅分光光度法、火焰原子吸收光谱法和电解法 |
China National Standards to |
English PDF |
GB/T 12689.3-2004 |
The methods forchemical analysis of zinc and zinc alloys--The determination of cadmium content--The flame atomic absorption spectrometric method 锌及锌合金化学分析方法 镉量的测定 火焰原子吸收光谱法 |
China National Standards to |
English PDF |
GB/T 12689.2-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of arsenic content--The atomic fluorescence spectrometer method 锌及锌合金化学分析方法 砷量的测定 原子荧光光谱法 |
China National Standards to |
English PDF |
GB/T 12689.1-2010 |
Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry 锌及锌合金化学分析方法 第1部分:铝量的测定 铬天青S-聚乙二醇辛基苯基醚-溴化十六烷基吡啶分光光度法、CAS分光光度法和EDTA滴定法 |
China National Standards to |
English PDF |
GB/T 12689.11-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method 锌及锌合金化学分析方法 镧、铈合量的测定 三溴偶氮胂分光光度法 |
China National Standards to |
English PDF |
GB/T 12689.10-2004 |
The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method 锌及锌合金化学分析方法 锡量的测定 苯芴酮-溴化十六烷基三甲胺分光光度法 |
China National Standards to |
English PDF |
GB/T 12688.9-2011 |
Test method of styrene for industrial use - Part 9:Determination of trace benzene - Gas chromatographic method 工业用苯乙烯试验方法 第9部分:微量苯的测定 气相色谱法 |
China National Standards to |
English PDF |
GB/T 12688.8-2011 |
Test method of styrene for industrial use - Part 8:Determination of content of inhibitor(p-tert-butylcatechol)- Spectrophotometric method 工业用苯乙烯试验方法 第8部分:阻聚剂(对-叔丁基邻苯二酚)含量的测定 分光光度法 |
China National Standards to |
English PDF |
GB/T 12688.5-2011 |
Test method of styrene for industrial use - Part 5:Determination of content of total aldehydes - Titrimetric method 工业用苯乙烯试验方法 第5部分:总醛含量的测定 滴定法 |
China National Standards to |
English PDF |
GB/T 12688.1-2011 |
Test method of styrene for industrial use - Part 1: Determination of purity and hydrocarbon impurities - Gas chromotography 工业用苯乙烯试验方法 第1部分:纯度和烃类杂质的测定 气相色谱法 |
China National Standards to |
English PDF |
GB/T 12683-2009 |
Method for determining the tensile properties of photographic film and film base 片基与胶片拉伸性能的测定方法 |
China National Standards to |
English PDF |
GB/T 12679-1990 |
Motor vehicles--Durability running--Test method 汽车耐久性行驶试验方法 |
China National Standards to |
English PDF |
GB/T 12678-1990 |
Reliability running test method for automobiles 汽车可靠性行驶试验方法 |
China National Standards to |
English PDF |
GB/T 12677-1990 |
Motor vehicles--Technical condition--Inspection method 汽车技术状况行驶检查方法 |
China National Standards to |
English PDF |
GB/T 12674-1990 |
Motor vehicles--Weight parameter--Measuringmethod 汽车质量(重量)参数测定方法 |
China National Standards to |
English PDF |
GB/T 12669-2012 |
General specification for cascade speed control assembly with semiconductor converter 半导体变流串级调速装置总技术条件 |
China National Standards to |
English PDF |
GB/T 12667-2012 |
General specification for excitation assembly with semiconductors for synchronous motors 同步电动机半导体励磁装置总技术条件 |
China National Standards to |
English PDF |
GB/T 12661-2008 |
Paper and board - Determination of microbiological properties - total bacterial count 纸和纸板菌落总数的测定 |
China National Standards to |
English PDF |
GB/T 12659-2008 |
Pulps - Laboratory beating Jokro mill method 纸浆实验室打浆 约克罗(Jokro)磨法 |
China National Standards to |
English PDF |
GB/T 12635-1990 |
Ceramic base body using in carbon film resistor 碳膜电阻器用陶瓷基体 |
China National Standards to |
English PDF |
GB/T 12631-1990 |
Test method for resistance of conductor of printed boards 印制导线电阻测试方法 |
China National Standards to |
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 to |
English PDF |
GB/T 12586-2003 |
Rubber or plastics-coated fabrics--Determination of resistance to damage by flexing 橡胶或塑料涂覆织物 耐屈挠破坏性的测定 |
China National Standards to |
English PDF |
GB/T 12577-1990 |
Refrigerator oils--Determination of floc point 冷冻机油絮凝点测定法 |
China National Standards to |
English PDF |
GB/T 12575-1990 |
Liquid fuel oils--Determination of vanadium content--Flameless atomic absorption spectroscopic method 液体燃料油钒含量测定法 无火焰原子吸收光谱法 |
China National Standards to |
English PDF |
GB/T 12574-1990 |
Jet fuels--Determination of total acid number 喷气燃料总酸值测定法 |
China National Standards to |
English PDF |
GB/T 12569-1990 |
Blank detail specification for display storage tubes 直观存储管空白详细规范 (可供认证用) |
China National Standards to |
English PDF |
GB/T 12568-1990 |
Sectional specification for display storage tubes 直观存储管分规范 (可供认证用) |
China National Standards to |
English PDF |
GB/T 12567-1990 |
Methods of measurement of display storage tubes 直观存储管测试方法 |
China National Standards to |
English PDF |
GB/T 12565-1990 |
Semiconductor devices--Sectional specification for optoelectronic devices 半导体器件 光电子器件分规范 (可供认证用) |
China National Standards to |
English PDF |
GB/T 12564-2008 |
Generic specification for photomultiplier tubes 光电倍增管总规范 |
China National Standards to |
English PDF |
GB/T 12560-1999 |
Semiconductor devices--Sectional specification for discrete devices 半导体器件 分立器件分规范 |
China National Standards to |
English PDF |
GB/T 12548-1990 |
Motor vehicles--Speedometer and odometer--Calibration method 汽车速度表、里程表检验校正方法 |
China National Standards to |
English PDF |
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