I.S. EN 140:1999现行
Respiratory Protective Devices - Half-masks And Quarter-masks - Requirements, Testing, Marking
出版：National Standards Authority of Ireland
专家解读视频
Refers to half masks and quarter masks for respiratory protective devices, except escape apparatus and diving apparatus. It specifies minimum requirements for half masks and quarter masks for use as part of respiratory protective devices.
SS EN 140:1999 - Identical
UNE EN 140:1999 - Identical
NS EN 140 Ed. 2 (1999) - Identical
UNI EN 140:2000 - Identical
NF EN 140:1998 - Identical
NBN EN 140:1998 - Identical
DIN EN 140 (1998-12) - Identical
ONORM EN 140:1998 - Identical
NEN EN 140:1998 - Identical
BS EN 140:1999 - Identical
SN EN 140:1999 - Identical
