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| International Standard Category: Other valves |
GB/T 28776-2012 Steel gate, globe and check valve for the petroleum and natural gas industries (for sizes DN100 and smaller)
石油和天然气工业用钢制闸阀、截止阀和止回阀（≤DN100）;
| Category No.: | 23.060.99 | Valid Status: | valid |
| Issued Organization: | AQSIQ;SAC | Issued Date: | 2012-11-5 |
| Implemented Date: | 2013-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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