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3681580
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Information
Patent Grant
3681580
References
Source
Patent Number
3,681,580
Date Filed
Not available
Date Issued
Tuesday, August 1, 1972
52 years ago
CPC
G06G7/78 - for direction-finding, locating, distance or velocity measuring, or navigation systems
G01C23/005 - Flight directors
G05D1/0676 - specially adapted for landing
G06G7/70 - for vehicles
B64D2700/6221 - using electrical means
US Classifications
701 - Data processing: vehicles, navigation, and relative location
244 - Aeronautics and astronautics
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