YS T 990 18-2014 Methods for chemical analysis of copper matte Part 18 Determination of lead zinc nickel arsenic bismuth antimony calcium magnesium cadmium and .pdf

相关资源

YS T 649-2018 铜及铜合金挤制棒.pdf

YS T 679-2018 非本征半导体中少数载流子扩散长度的测试表面光电压法.pdf

YS T 662-2018 铜及铜合金挤制管.pdf

YS T 540.7-2018 钒化学分析方法第7部分：氧量的测定惰气熔融红外吸收法.pdf

YS T 988-2014 羧乙基锗倍半氧化物.pdf

YS T 540.5-2018 钒化学分析方法第5部分：杂质元素测定电感耦合等离子体原子发射光谱法.pdf

YS T 1288.3-2018 高纯锌化学分析方法第3部分：砷量的测定 氢化物发生-原子荧光光谱法.pdf

YS T 79-2018 硬质合金焊接刀片.pdf

YS T 584-2018 电极材料用铬、锆铜棒材.pdf

YS T 699-2018 铝电解用石墨化阴极炭块.pdf

猜你喜欢

GOST R ISO IEC 19762-2-2011 Information technology Automatic identification and data capture techniques (AIDC) Harmonized vocabulary Part 2 Optically readable media (ORM)《信息技术 自动识别.pdf

GOST R ISO IEC 19762-3-2011 Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 3 Radio frequency identification (RFID)《信息.pdf

GOST R ISO IEC 19762-4-2011 Information technology Automatic identification and data capture (AIDC) techniques Harmonized vocabulary Part 4 General terms relating to radio communic.pdf

GOST R ISO IEC 19778-1-2011 Information technology Learning education and training Collaborative technology Collaborative workplace Part 1 Collaborative workplace data model《信息技术 学.pdf

GOST R ISO IEC 19778-2-2011 Information technology Learning education and training Collaborative technology Collaborative workplace Part 2 Collaborative environment data model《信息技术.pdf

GOST R ISO IEC 19778-3-2011 Information technology Learning education and training Collaborative technology Collaborative workplace Part 3 Collaborative group data model《信息技术 学习 教育.pdf

GOST R ISO IEC 19785-1-2008 Automatic identification Biometrics Common biometric exchange formats framework Part 1 Data element specification《自动识别 生物辨识系统 通用生物计量的交换格式框架 第1部分 数据元规范》.pdf

GOST R ISO IEC 19785-2-2008 Information identification Biometrics Common biometric exchange formats framework Part 2 Procedures for the operation of the biometric registration auth.pdf

GOST R ISO IEC 19785-4-2012 Information technology Biometrics Common biometric exchange formats framework Part 4 Security block format specifications《信息技术 生物统计学 通用生物统计交换格式框架 第4部分 安.pdf