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兒童口罩

兒童口罩技術規范
GB/T 38880-2020
外觀檢查
鼻夾長度
鼻夾耐折性
口罩帶及口罩帶與口罩體的連接處斷裂強力
吸氣阻力
呼氣阻力
顆粒物過濾效率
呼吸閥蓋牢度
部件粗糙性
包裝


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