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International Standard Category: Flanges, couplings and joints

GB/T 9124.1-2019    Steel pipe flanges—Part 1:PN designated
钢制管法兰 第1部分:PN 系列 ;
Category No.:23.040.60 Valid Status:valid
Issued Organization:SAMR and SAC Issued Date:2019-05-10
Implemented Date:2019-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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