Drilldown: Patents

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Patents > Related to aircraft: 1 & National tech categories : CA 244/34 or DE 77h.6

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None (15) · Christian Lorenzen (3) · Jakob Haw (3) · Hellmuth Hirth (2) · Lucien Chauvière (2)
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Tech fields:
propeller (43) · propulsion (10) · airplane (4) · subsystem (3) · metal (3) · marine (3) · Propellers (3) · helicopter (3) · wood (3) · barometer (2) · stability (2) · propeller blades (2) · Aerial propeller (2) · motor (2) · parachute (2) · frame (2)
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