呼吸防护器 meaning in Chinese

protector of respiration

Respiratory protective devices ; co and reactor filters ; classification , marking
呼吸防护器.一氧化碳和反应过滤器.分类标志
Respiratory protective devices - compressed air for breathing apparatus ; german version en 12021 : 1998
呼吸防护器.呼吸防护器用压缩空气
Respiratory protective devices - threads for facepieces - part 2 : centre thread connection ; german version en 148 - 2 : 1999
呼吸防护器.面罩连接螺纹.第2部分:中间螺纹连接
Respiratory protective devices - threads for facepieces - part 3 : thread connection m 45 3 ; german version en 148 - 3 : 1999
呼吸防护器.面罩连接螺纹.第3部分: m45 3螺纹连接
Respiratory protective devices for self - rescue - part 7 : filtering devices for self - rescue ; requirements , testing , marking
自救式呼吸防护器.第7部分:自救式过滤设备.要求试

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