Anti-backflow detection alarm device

The utility model discloses an anti-backflow detection alarm device, and relates to the anti-backflow alarm technology field, the anti-backflow detection alarm device comprises an alarm assembly, a flexible bag, a guide pipe and a moving plug, one end of the guide pipe is hermetically communicated w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG SHIYUN, CHANG YONG-YONG, JIAO GUILI, ZHANG PENG, HAN MENGHUA, ZHANG JUN, LIU YUPING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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