SS EN 60849 Ed. 1 (1998)现行
Sound Systems For Emergency Purposes
出版：Standardiserings-Kommissionen I Sverige
专家解读视频
Applicable to sound reinforcement and distribution systems for use in effecting a rapid and orderly mobilization of occupants in an indoor or outdoor area in an emergency situation. Applicable to systems using tone signals and to those with voice announcements for emergency purposes.
UNE EN 60849:2002 - Identical
I.S. EN 60849:1999 - Identical
NBN EN 60849:1998 - Identical
IEC 60849 Ed. 2.0 - Identical
NF EN 60849:1998 - Identical
DIN EN 60849 (1999-05) - Identical
BS EN 60849:1998 - Identical
SN EN 60849:1998 - Identical
DIN EN 60849:1999 - Identical
EN 60849:1998 - Identical
