lyklzy 发表于 2018-10-2 23:19:31

ASTM A297A297M-2010

ASTM A297A297M-2010 Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application


admin 发表于 2018-10-5 14:29:21

谢谢您的分享，金币已奖励!
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