Fire detection and fire alarm systems - Part 31: Multi-sensor fire detectors - Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors (includes Amendment A1:2016)
火灾探测和火灾报警系统.第31部分:多传感器火灾探测器.使用烟雾、一氧化碳和可选热传感器组合的点探测器(包括修改件A1:2016)