
Alarm systems. Intrusion and hold-up systems. Intrusion detectors. Passive infrared detectors
出版:British Standards Institution

专家解读视频
2008 COR 2014 [31/05/2014]2008 [29/02/2008]
© British Standards Institution 2013
I.S. EN 50131-2-2:2008 - Identical
NEN EN 50131-2-2:2008 - Identical
SS EN 50131-2-2 Ed. 1 (2008) - Identical
DIN EN 50131-2-2 (2008-09) - Identical
EN 50131-2-2:2017 - Identical
DIN EN 50131-2-2:2008 - Identical
NEN EN 50131-2-2:2017 - Identical
I.S. EN 50131-2-2:2017 - Identical
NEN EN 50131-2-2 : 2017 - Identical
DIN EN 50131-2-2 : 2008 - Identical
EN 50131-2-2 : 2017 - Identical