DIN EN 149 (2009-08)现行
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking (includes Amendment A1:2009)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NBN EN 149:2001 - Identical
SS EN 149:2001 - Identical
EN 149:2001 - Identical
NF EN 149:2001 - Identical
SN EN 149:2001 - Identical
UNI EN 149:2009 - Identical
NEN EN 149:2001 - Identical
BS EN 149:2001+A1:2009 - Identical
UNE EN 149:2001 - Identical
