yancangling 发表于 2016-7-26 09:25:01

ASME B16.1-98 Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 2

本帖最后由 五分头LW 于 2017-1-18 08:46 编辑

ASME B16.1-98 Gray Iron Pipe Flanges and Flanged Fittings Classes 25, 125, and 250 (C)




admin 发表于 2016-7-26 13:41:07

谢谢您的分享，金币已奖励
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