DIN EN 352-3 (1997-02)被替代
Hearing protectors - Safety requirements and testing - Part 3: Ear muffs attached to an industrial safety helmet; German version EN 352-3:1996
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Specifies requirements for construction, design, performance, marking and user information for ear-muffs fitted to an industrial helmet.
NS EN 352-3 Ed. 2 (2002) - Identical
UNI EN 352-3:1998 - Identical
I.S. EN 352-3:2002 - Identical
NF EN 352-3:2003 - Identical
NBN EN 352-3:2002 - Identical
ONORM EN 352-3:2003 - Identical
SS EN 352-3 Ed. 2 (2003) - Identical
UNE EN 352-3:2003 - Identical
BS EN 352-3:2002 - Identical
SN EN 352-3:2002 - Identical
NEN EN 352-3:2002 - Identical
