NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 46937-2025
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 Test Methods for Virus Filtration Efficiency of Medical Masks and Materials - Phi-X174 Phage Aerosol Method
发布日期 Issued Date:
实施日期 Implemented Date:
发布Issued by:
国家市场监督管理总局 国家标准化管理委员会
The Standardization Administration of the People's Republic of China
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"GB/T 46937-2025" standard !
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