Draft Document - Fixed firefighting systems - Water mist systems - Part 17: Test protocol for residential occupancies for automatic nozzle systems; German and English version prEN 14972-17:2022
文件草案.固定消防系统.细水雾系统.第17部分:自动喷嘴系统的住宅占用试验协议;德语和英语版本prEN 14972-17:2022