NB-IoT gas meter and use method thereof

The invention relates to an NB-IoT gas meter. The NB-IoT gas meter comprises a shell, a cover body, a gas metering device, a gas inlet pipe, a controller and an electric valve. The shell is provided with a cavity and is provided with an upper side wall, a lower side wall, a left side wall, a right s...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WANG KUILIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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