呼吸保护装置。与全罩式面罩、半罩式面罩或口罩一起使用的压缩空气导管呼吸装置。要求、试验和标志。
Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
介绍一种新型全脸式防护面具面罩的结构特点及其罩体、阻水罩模具的设计。
This paper presents a new type of semi-conductive water-blocking tape used for the insulation shield in power cables.
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