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| International Standard Category: Flanges, couplings and joints |
GB/T 9125.1-2020 Fasteners for steel pipe flange joints—Part 1:PN designated
钢制管法兰连接用紧固件 第1部分：PN系列 ;
| Category No.: | 23.040.60 | Valid Status: | valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2020-09-29 |
| Implemented Date: | 2021-4-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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