FR841464A - Perfectionnements apportés aux dispositifs pour la production de vapeurs formant desfumées, plus spécialement pour indiquer la direction du vent
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Perfectionnements apportés aux dispositifs pour la production de vapeurs formant desfumées, plus spécialement pour indiquer la direction du vent
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GEN AIRCRAFT Ltd
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GEN AIRCRAFT Ltd
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G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
G01P13/00—Indicating or recording presence, absence, or direction, of movement
G01P13/02—Indicating direction only, e.g. by weather vane
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FR841464D1937-09-061938-07-29Perfectionnements apportés aux dispositifs pour la production de vapeurs formant desfumées, plus spécialement pour indiquer la direction du vent
ExpiredFR841464A
(fr)