GB 2626-2019 Respiratory protectiopn-Non-powered air-purifying particle respirator呼吸防护 自吸过滤式防颗粒物呼吸器 产品类别:KN90, KN95, KN100; KP90, KP95, KP100 GB 2626-2019 条款6.1 & 6.16制造商应提供的信息User instruction GB 2626-2019 条款6.1 & 6.2外观检查 (不含标识)Appearance inspection(e...
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AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web ...