DIN EN 50131-2-7-1:2014 報警系統.侵入和攔截系統.第2-7-1部分:入侵探測器.玻璃破碎探測器(聲學).德文版本EN 50131-2-7-1-2012+A1-2013
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