Respiratory protective devices for self - rescue - filter self - rescuer from carbon monoxide with mouthpiece assembly 自救用呼吸保護(hù)裝置.帶口罩組件的防一氧化碳過濾式自救呼吸器
Respiratory protective devices for self - rescue - filter self - rescuer from carbon monoxide with mouthpiece assembly ; german version en 404 : 2005 自救用呼吸保護(hù)設(shè)備.帶口罩組件的一氧化碳過濾式自救