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1868392
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Information
Patent Grant
1868392
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Source
Patent Number
1,868,392
Date Filed
Not available
Date Issued
Tuesday, July 19, 1932
91 years ago
CPC
B64C27/12 - Rotor drives
B64C2700/6288 - Hydraulic, electric or man powered rotorcrafts
US Classifications
244 - Aeronautics and astronautics
416 - Fluid reaction surfaces
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