killer007 发表于 2017-11-16 16:50:51

BS EN 13555-2014 Flanges and their joints — Gasket parameters and test procedu

BS EN 13555-2014 Flanges and their joints — Gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections




admin 发表于 2017-11-17 11:07:07

谢谢您的分享，金币已奖励!
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