NEN EN 149:2001现行
Respiratory Protective Devices - Filtering Half Masks To Protect Against Particles - Requirements, Testing, Marking
出版：Nederlands Normalisatie Instituut
专家解读视频
2001 + A1 2009 [01/05/2009]2001 C1 2002 [01/09/2002]2001 [01/05/2001]1992 [01/01/0001]
2001 Edition Re-Issued in May 2009 & incorporates AMD 1 2009. (10/2009)
ONORM EN 149:2001 - Identical
SN EN 149:2001 - Identical
DIN EN 149 (2009-08) - Identical
UNI EN 149:2009 - Identical
UNI EN 149:2003 - Identical
NF EN 149:2001 - Identical
NS EN 149:2001 - Identical
SS EN 149:2001 - Identical
UNE EN 149:2001 - Identical
EN 149:2001 - Identical
ONORM EN 149:2009 - 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
