binyew 发表于 2018-3-13 08:01:29

ASTM B444-16e1 Standard Specification for Nickel-Chromium-Molybdenum-Columbium A

ASTM B444-16e1 Standard Specification for Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube

admin 发表于 2018-3-13 10:35:41

谢谢您的分享，金币已奖励!

xiaoping8480 发表于 2018-4-15 10:49:35

我居然没钱买标准了。。。

hmgongyong 发表于 2019-7-29 10:18:42

感谢楼主的分享！！！
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