Personally, alarm device is forgotten to tear open by line of ensuring safety

The utility model discloses a personally, alarm device is forgotten to tear open by line of ensuring safety, including hanging rod, couple, card fastener with press from both sides wire spring, thereis security personnel's line couple one side through terminal connection, and the last below tha...

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Bibliographische Detailangaben
Hauptverfasser:	XU CHUANBAI, WANG SHIJIE, CAO JUNWEI, TENG YONGFENG, FENG ZHANXUN, XU YONGXUE, WANG WEI, CHEN XIN, TENG MINGXIN, WANG YONGXIN, ZHANG JIAMAO, DOU XIANMING, MA KUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
Online-Zugang:	Volltext bestellen
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