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| Chinese National Standard Category: Medical sanitary products |
| English Title: | Total inward leakage(TIL)determination method of protective face mask for medical use |
| Chinese Title: | 医用防护口罩总泄漏率测试方法 |
| Standard No.: | YY/T 0866-2024 |
| Category No.: | C48 |
| Issued by: | National Medical Products Adminstration |
| Issued on: | 2024-09-29 |
| Implemented on: | 2025-12-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | YY/T 0866-2011 Total inward leakage determination method of protective face mask for medical use |
| Word Count: | 8500 words |
| Similar Standards: |
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