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Web1 Scope This Standard specifies the technical requirements, test methods, marking, instructions for use, packaging, transportation, and storage of surgical mask (hereinafter referred to as mask). This Standard applies to disposable masks worn by clinical medical personnel during invasive operations. 2 Normative references WebApr 12, 2024 · 产过程均采用计算机管理,严格按照 gb/t12777-2008. 国家标准和美国《ejma》膨胀剂标准,金属软管 gb/ t14525-93 标准进行。本公司引进先进技术生产的聚. 四氟乙烯 ptfe(简称 f4、又称特氟隆)软管、波纹. 补偿器等产品,能在 -180 摄氏度 -250 摄氏度 … periwinkle delray beach fl website
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