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Patents > Inventor country : AH or NL & IPCs : IPC B64C3/00 or IPC B64C3/38 or None

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Inventors:
Alexander Albert Holle (8) · Josef Deixler (7) · None (5) · Stanislaus Victor Saloni (4) · Waldemar Porak (3) · Michael Stefan Bjelvučić (3) · Josef Homola (3) · Johann Straka (2) · Lucas Adrianus Aloysius Maria Loonen (2) · Louis Kloos (2) · Josef Řehulka (2) · Johannes Jacobus Loke (2)
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Tech fields:
airplane (21) · frame (18) · LTA (16) · None (11) · propulsion (11) · navigation (10) · subsystem (8) · airfoil (8) · propeller (7) · balloon (7) · propellers (6) · Aerodynamics (6) · stability (6) · whole (5) · wings (5) · control (4) · ascension (4) · gas (4) · car (4) · dirigible (4)
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Citations from after 1930:
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