Respiratory equipment; compressed air line breathing apparatus incorporating a full face mask, a half mask or a mouthpiece assembly; safety requirements, testing, marking— 8 стр.
ISO general purpose metric screw threads - Part 20: Limits of sizes for coarse pitch threads with the prefered tolerance classes; nominal sizes from 1 mm to 68 mm— 8 стр.
Respiratory protective equipment - Compressed air line breathing apparatus for use with a full face mask, a half mask or a mouthpiece assembly - Requirements, testing, marking; German version EN 139:1993— 18 стр.
Respiratory protective equipment - Compressed air line breathing apparatus for use with a full face mask, a half mask or a mouthpiece assembly - Requirements, testing, marking; German version EN 139:1993— 18 стр.