NS EN 149:2001现行
Respiratory Protective Devices - Filtering Half Masks To Protect Against Particles - Requirements, Testing, Marking
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines minimum requirements for filtering half masks as respiratory protective devices against particles except for escape purposes. Includes laboratory and practical performance tests in order to assess compliance with the requirements.
2001 Edition Re-Issued in August 2009 & incorporates AMD 1 2009. (08/2009)
UNE EN 149:2001 - Identical
SS EN 149:2001 - Identical
EN 149:2001 - Identical
UNI EN 149:2009 - Identical
ONORM EN 149:2009 - Identical
SN EN 149:2001 - Identical
NEN EN 149:2001 - Identical
ONORM EN 149:2001 - Identical
DIN EN 149 (2001-10) - Identical
BS EN 149:2001+A1:2009 - Identical
NBN EN 149:2001 - Identical
I.S. EN 149:2001 - Identical
NF EN 149:2001 - Identical
UNI EN 149:2003 - Identical
