余情悦其淑美兮 发表于 2019-11-5 13:58:13

BS EN 61518-2001

Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 413 bar
(41.3 MPa)


admin 发表于 2019-11-7 15:07:38

谢谢您的分享,金币已奖励!
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