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G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
G01P3/02—Devices characterised by the use of mechanical means
G01P3/16—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses
G01P3/22—Devices characterised by the use of mechanical means by using centrifugal forces of solid masses transferred to the indicator by electric or magnetic means
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FR649951D1927-02-281928-02-27Dispositif indicateur de vitesse pour voitures automobiles
ExpiredFR649951A
(fr)