FR606032A - Dispositif de lecture applicable aux instruments de mesure à graduation circulaire et principalement aux compas d'aéronefs
- Google Patents
Dispositif de lecture applicable aux instruments de mesure à graduation circulaire et principalement aux compas d'aéronefs
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G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
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Engineering & Computer Science
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Radar, Positioning & Navigation
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Remote Sensing
(AREA)
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR606032D1925-10-231925-10-23Dispositif de lecture applicable aux instruments de mesure à graduation circulaire et principalement aux compas d'aéronefs
ExpiredFR606032A
(fr)