asnt2012 发表于 2017-11-22 18:52:06

ISO/TS 3699-2 2007 Vacuum technology - Bakable flanges - Part 2: Dimensions of

ISO/TS 3699-2 2007 Vacuum technology - Bakable flanges - Part 2: Dimensions of knife-edge flanges


admin 发表于 2017-11-28 10:33:05

谢谢您的分享，金币已奖励!
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