Pipe gallery internal alarm device

The utility model discloses a pipe gallery interior alarm device, which comprises a lower cover and an upper cover, notches are equidistantly arranged at the top end of the upper cover, a sensitivity adjusting assembly is fixedly arranged in the upper cover, the sensitivity adjusting assembly compri...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIAO SHENGFANG, LIU XINHUI, CHEN LI, GE XU, WU XIANHE, LIN, SHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ORDER TELEGRAPHS PHYSICS PRINTED CIRCUITS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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