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| Chinese National Standard Category: Plastic profile |
| English Title: | Plastic check valves for anti-pollution for discharge piping systems inside buildings |
| Chinese Title: | 建筑排水管道系统防污染用塑料止回阀 |
| Standard No.: | GB/T 44574-2024 |
| Category No.: | G33 |
| Issued by: | SAMR, SAC |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-4-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7500 words |
| Similar Standards: |
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