Vacuum liquid sealing equipment for dial plate of wet-type water meter

The invention discloses wet-type water meter dial vacuum liquid sealing equipment which is characterized by comprising a vacuum box and a vacuum pump, the vacuum box is communicated with the vacuum pump through a pipeline, the vacuum box is provided with a pressure gauge used for testing air pressur...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN JIEQIONG, DU WEIPENG, XUAN JIAMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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