YS T 370-2018 贵金属及其合金金相试样制备方法.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

TIS 2464-2009 Plain end welded percision steel tubes technical conditions for delivery《光端焊接精密钢管材 交货的技术条件》.pdf

TIS 2465-2009 Plain end as welded and sized precision steel tubes technical conditions for delivery《焊接光端钢管和精密钢管 交货的技术条件》.pdf

TIS 2466 1-2009 Steel tubes and fittings symbols for use in specifications part 1 tubes and tubular accessories with circular cross section《钢管和管件 规范中使用的符号 第1部分 圆形截面的管和管状附件》.pdf

TIS 2466 2-2009 Steel tubes and fittings symbols for use in specifications part 2 square and rectangular hollow sections《钢管和管件 规范中使用的符号 第2部分 正方形和矩形中空截面》.pdf

TIS 2467-2009 Plain end steel tubes welded and seamless general tables of dimensions and masses per unit length《焊接和无缝平口钢管 一般尺寸表和单位长度质量表》.pdf

TIS 247-2009 Polyester sewing thread《聚酯缝纫线》.pdf

TIS 2470-2009 Seamless steel tubes for pressure purposes full peripheral ultrasonic testing for the detection of transverse imperfections《承压用无缝钢管 横向缺陷的全圆周超声波检测》.pdf

TIS 2471-2009 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes electromagnetic testing for verification of hydraulic leak tightness《承压无缝和焊接(埋弧焊除外.pdf

TIS 2472-2009 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes full peripheral ultrasonic testing for the detection of longitudinal imperfections.pdf