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G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
G01C21/265—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network constructional aspects of navigation devices, e.g. housings, mountings, displays
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Engineering & Computer Science
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Radar, Positioning & Navigation
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Remote Sensing
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Automation & Control Theory
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Physics & Mathematics
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General Physics & Mathematics
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FR612259D1926-01-111926-01-11Indicateur de route pour véhicules automobiles
ExpiredFR612259A
(fr)