Simple direct current-alternating current alarm device

The utility model relates to a simple direct current and alternating current serial alarm device which comprises an alarm device body, the alarm device body comprises a shell, a measuring meter and an alarm device, the measuring meter and the alarm device are arranged in the shell, and the measuring...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PEI LIQIU, ZHANG MAOBING, ZHOU YUXIU, CHENG HAO, ZHANG QINLING, ZHOU LILI, YANG HONGTAO, YANG CHANGCUN, LI QIANG, LIANG DONGFANG, GAO WANXIN, XIE SHUCHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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