Respiratory equipment; fresh air hose breathing apparatus incorporating a full face mask, a half mask or a mouthpiece assembly; safety requirements, testing, marking— 7 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 devices - Fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly - Requirements, testing, marking; German version EN 138:1994— 15 стр.
Respiratory protective devices - Fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly - Requirements, testing, marking; German version EN 138:1994— 15 стр.