NF EN 50136-2-4:1998被替代
Alarm Systems - Alarm Transmission Systems And Equipment - Part 2-4: Requirements For Equipment Used In Systems With Voice Communicators Using The Public Switched Telephone
出版：Association Francaise de Normalisation
专家解读视频
1998 [01/04/1998]
Indice de classement: C48-362-4. (03/2007)
UNE EN 50136-2-4:1998 - Identical
NEN EN 50136-2-4:1998 - Identical
SS EN 50136-2-4 Ed. 1 (1998) - Identical
I.S. EN 50136-2-4:1998 - Identical
DIN EN 50136-2-4 (2000-04) - Identical
BS EN 50136-2-4:1998 - Identical
SN EN 50136-2-4:1998 - Identical
DIN EN 50136-2-4:2000 - Identical
