NBN EN 140:1998现行
Respiratory Protective Devices - Half Masks And Quarter Masks - Requirements, Testing, Marking
出版：Belgian Standards
专家解读视频
Defines minimum requirements for half masks and quarter masks to be used as part of respiratory protective devices, excluding escape and diving apparatus. Includes laboratory and practical performance tests for assessing compliance with the requirements.
SS EN 140:1999 - Identical
UNE EN 140:1999 - Identical
UNI EN 140:2000 - Identical
NS EN 140 Ed. 2 (1999) - Identical
NEN EN 140:1998 - Identical
BS EN 140:1999 - Identical
SN EN 140:1999 - Identical
ONORM EN 140:1998 - Identical
DIN EN 140 (1998-12) - Identical
I.S. EN 140:1999 - Identical
NF EN 140:1998 - Identical
