진공용 귀금속 경납땜 용가재
真空级贵钎焊填充金属

2018-12-17

Precious brazing filler metals for vacuum service
真空设备用贵金属钎料

1998-01-01

귀금속 땜납의 샘플링 방법
方法抽样贵金属钎料

1982-10-29

귀금속 땜납의 샘플링 방법
贵钎焊填充金属取样方法

1982-10-29

Methods for sampling of precious brazing filler metals
贵钎料取样方法

1974-01-01

贵金属及其合金钎料规范
Specification for filler brazing materials made of precious metal and their alloy

2017-07-12

微波磁控管器件用贵金属及其合金钎料
Specification of precious metals and their alloy brazing filler materials for microwave magnetrons devices

2013-10-17