DIN 8257-2-1969 Jewels for fine mechanics watch jewels balance jewels《精密仪器用宝石 第2部分 钟表宝石、天平宝石》.pdf

相关资源

JB T 9300-1999 精密仪器用开关.pdf

SH 3044-1992 石油化工精密仪器抗震鉴定标准.pdf

SH T 3044-2004 石油化工精密仪器抗震鉴定标准.pdf

SH T 3044-2016 石油化工精密仪器抗震鉴定标准.pdf

SH T 3044-2016 石油化工精密仪器抗震鉴定标准.pdf

BS EN 10305-1-2016 Steel tubes for precision applications Technical delivery conditions Seamless cold drawn tubes《精密仪器用钢管 交货技术条件 无缝冷拔钢管》.pdf

BS EN 10305-2-2016 Steel tubes for precision applications Technical delivery conditions Welded cold drawn tubes《精密仪器用钢管 交货技术条件 焊接冷拔钢管》.pdf

BS EN 10305-3-2016 Steel tubes for precision applications Technical delivery conditions Welded cold sized tubes《精密仪器用钢管 交货技术条件 焊接冷精加工钢管》.pdf

DIN 8245-1972 Slotted Countersunk (Flat) Head Screws for Fine Mechanics M 0 4 to M 1 4《精密仪器用槽头沉头螺钉 M 0 4至M 1 4》.pdf

DIN 8257-1-1987 Jewels for fine mechanics watch jewels flat《精密仪器用宝石 第1部分 扁平式手表宝石》.pdf

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