Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
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。
The coupling heads are used for connecting the tow-line Compressed air Braking system of tractor and a trailer.
气制动接头用作牵引车与挂车之间的气路连接，可适用各类气制动车辆与挂车的连接气路。
The coupling heads are used for connecting the tow-line Compressed air Braking system of tractor and a trailer.
气制动接头用作牵引车与挂车之间的气路连接，可适用各类气制动车辆与挂车的连接气路。
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