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Patents > National tech categories : DE 77h.6 or GB 4 propelling & Number of diagram pages: 1

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Office:
Inventors:
None (17) · Jakob Haw (7) · Christian Lorenzen (6) · Hellmuth Hirth (4) · Erhard Brunsmann (2) · Joseph Hofmann (2) · Paul Frederik Degn (2) · Lucien Chauvière (2)
Inventor country:
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Tech fields:
propeller (52) · propulsion (17) · Propellers (9) · subsystem (7) · Airplane (4) · None (3) · design (3) · stability (3) · parachute (3) · metal (3) · marine (3) · helicopter (3) · wood (3)
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CPCs:
None (13) · CPC B64C11/04 (7) · CPC B64C11/20 (6) · CPC B64C11/006 (5) · CPC B64C11/36 (4) · CPC B64C11/00 (4) · CPC B64C11/346 (2) · CPC B64C27/20 (2) · CPC B64C11/34 (2) · CPC B64C2700/6281 (2) · CPC B64C11/24 (2) · CPC B64C11/22 (2) · CPC B64C11/205 (2) · CPC B64C11/16 (2) · CPC B64C11/065 (2) · CPC B64C33/02 (2) · CPC B21D53/78 (2)
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