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Patents > CPCs : CPC B64C27/04 or None & Family year: 1917

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None (25) · Alfred John Macy (7) · Reinhold Richter (6) · Emil Schimanek (5) · Oszkár Asbóth (4) · Walter George Tarrant (2) · Vilmos Zurowec (2) · Oscar Gerhardt (2) · Hjalmar Pålson (2) · George Lanzius (2) · James Ferrier (2) · Detlev Zickler (2)
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None (30) · Alfred John Macy (7) · Reinhold Richter (5) · Emil Schimanek (3) · James Ferrier (2) · Hjalmar Pålson (2) · Walter George Tarrant (2) · Vilmos Zurowec (2) · Detlev Zickler (2) · Oscar Gerhardt (2) · George Lanzius (2) · Oskar von Asbóth (2)
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Tech fields:
airplane (20) · airship (19) · instrument (16) · Design (11) · stability (10) · construction (8) · propellers (8) · LTA (7) · subsystem (7) · Frame (7) · pressure (6) · helicopter (6) · engine (6) · safety (6) · wood (5) · lift (5) · ICE (5) · gas (5) · gauge (5)
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