ir_71 发表于 2014-4-14 01:29:48

CEN/TS 1591-4:2007

CEN / TS  1591-4:2007
Flanges and their joints - Design rules for Gasketed Circular  Flange connections -
Part 4: Qualification of personnel competency in the assembly of Bolted  joints Fitted to Equipment subject to the Pressure Equipment Directive


34706 [/ attach]

34706 [/ attach]



admin 发表于 2014-4-14 10:15:58


谢谢您的分享，金币已奖励！
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