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Patents > National tech categories: DK 77 & IPCs : B64C3/44 or None

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Office:
Inventors:
None (4) · Alfred John Macy (4) · Walter George Tarrant (2) · Richard Wilcke (2) · Carl Wilhelm Paul (2) · Carl Franz Hubert Hertel (2) · Christian Magnus Gyde Jensen (2) · Albert Graff (2)
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Tech fields:
Airplane (20) · Design (16) · frame (13) · stability (10) · Wings (10) · LTA (10) · navigation (8) · Construction (7) · lift (7) · propulsion (6) · subsystem (6) · None (5) · Control (4) · balloon (4) · Propellers (4)
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CPCs:
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Showing below up to 49 results in range #1 to #49.

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