
Alarm Systems - Intrusion And Hold-Up Systems - Part 2-7-1: Intrusion Detectors - Glass Break Detectors (Acoustic)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2010 [01/04/2010]
CLC/TS 50131-2-7-1 : 2009 - Identical
DIN CLC/TS 50131-2-7-1 : 2010 - Corresponds
CLC/TS 50131-2-7-1 : 2009 - Identical
DIN CLC/TS 50131-2-7-1 : 2010 - Corresponds
CLC/TS 50131-2-7-1:2009 - Identical