EN 146:1991被替代
Respiratory Protective Devices - Powered Particle Filtering Devices Incorporating Helmets Or Hoods - Requirements, Testing Marking
出版：Comite Europeen de Normalisation
专家解读视频
1991 [01/10/1991]
NF EN 146:1992 - Identical
DIN EN 146 (1991-11) - Identical
BS EN 146:1992 - Identical
NBN EN 1073-1:1998 - Identical
UNE EN 146:1992 - Identical
NBN EN 146:1992 - Identical
NBN EN 134:1998 - Identical
I.S. EN 146:1992 - Identical
UNI EN 146:1992 - Identical
SS EN 146:1991 - Identical
