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Priority to FR72725ApriorityCriticalpatent/FR1495593A/fr
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G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
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FR72725A1966-08-101966-08-10Dispositif de contrôle du niveau d'un liquide dans un récipient
ExpiredFR1495593A
(fr)