YY 0469-2011 医用不锈钢外科面罩GB/T 38880-2020 孩子棉布口罩传统手工艺标淮YY/T 0969-2013 两次性应用医疗用具活性炭口罩ASTM F2100-19 Standard Specification for Performance of Materials Used in Medical Face MasksASTM F2101-19 Standard Test Method forEvaluating the Bacterial Filtration Efficiency (BFE) of MedicalFace Mask Materials, Using a Biological Aerosol of Staphylococcus aureus EN14683:2019 Medical face masks-Requirements and test methods