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| Chinese National Standard Category: Medical sanitary products |
| English Title: | Test method for the viral filtration efficiency (VFE) of medical masks and materials—Test method using bacteriophage Phi-X 174 aerosol |
| Chinese Title: | 医用口罩及材料病毒过滤效率测试方法 Phi-X174噬菌体气溶胶法 |
| Standard No.: | GB/T 46937-2025 |
| Category No.: | C48 |
| Issued by: | SAMR;SAC |
| Issued on: | 2025-12-31 |
| Implemented on: | 2027-1-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 9000 words |
| Similar Standards: | GB/T 46936-2025 GB/T 46937-2025 YY/T 1947-2025 YY/T 0866-2024 GB 19082-2023 YY/T 0969-2023 YY/T 1904-2023 YY/T 1938-2024 YY/T 1117-2024 YY/T 0331-2024 T/HBJY 001-2024 T/HBJY 003-2024 T/HBJY 002-2024 SN/T 5619.7-2023 SN/T 5619.3-2023 SN/T 5619.2-2023 SN/T 5619.1-2023 SN/T 5619.6-2023 SN/T 5619.5-2023 SN/T 5619.4-2023 |
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