DIN EN 50131-2-7-2-2017 报警系统.侵入和拦截系统.第2-7-2部分:入侵探测器.玻璃破碎探测器(无源);德文版本EN 50131-2-7-2-2012+A1-2013+A2-2016
Alarm systems - Intrusion and hold-up systems - Part 2-7-2: Intrusion detectors - Glass break detectors (passive); German version EN 50131-2-7-2:2012 + A1:2013 + A2:2016