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Publication of FR723581ApublicationCriticalpatent/FR723581A/fr
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
G01F23/30—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 floats
G01F23/56—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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
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FR723581D1931-08-311931-08-31Dispositif indicateur du niveau de l'eau réfrigérante des moteurs d'automobiles
ExpiredFR723581A
(fr)
Dispositif pour indiquer automatiquement l'itinéraire du chemin parcouru ou à parcourir par un véhicule en parfaite progression de synchronisme avec l'itinéraire lui-même