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| International Standard Category: Flanges, couplings and joints |
GB/T 28708-2012 Specification for size selection of seamless and welded steel pipe used in piping engineering
管道工程用无缝及焊接钢管尺寸选用规定;
| Category No.: | 23.040.60 | Valid Status: | valid |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2012-9-3 |
| Implemented Date: | 2013-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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