
Alarm systems. Alarm transmission systems and equipment. Requirements for systems with digital communicators using the public switched telephone network
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
UNE EN 50136-1-3:1998 - Identical
NEN EN 50136-1-3:1998 - Identical
SS EN 50136-1-3 Ed. 1 (1998) - Identical
SN EN 50136-1-3:1998 - Identical
DIN EN 50136-1-3 (2000-04) - Identical
NF EN 50136-1-3:1998 - Identical
I.S. EN 50136-1-3:1998 - Identical