DIN EN 50131-2-7-1-2017 报警系统.侵入和拦截系统.第2-7-1部分:入侵探测器.玻璃破碎探测器(声学);德文版本EN 50131-2-7-1-2012+A1-2013+A2-2016
Alarm systems - Intrusion and hold-up systems - Part 2-7-1: Intrusion detectors - Glass break detectors (acoustic); German version EN 50131-2-7-1:2012 + A1:2013 + A2:2016