Alarm systems - Intrusion and hold-up systems - Part 2-4: requirements for combined passive infrared and microwave detectors.
警报系统。入侵和滞留系统。第2 - 4部分：组合无源红外和微波探测器的要求。
Alarm systems - Intrusion and hold-up systems - Part 2-4: requirements for combined passive infrared and microwave detectors.
警报系统。入侵和滞留系统。第2 - 4部分：组合无源红外和微波探测器的要求。
应用推荐