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Patents > National tech categories : AT 77d or GB 4 propel & First filing: Yes

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Office:
Inventors:
None (21) · Oszkár Asbóth (3) · August Warchalowski (2) · Eduard Zaparka (2) · Paul Frederik Degn (2) · Adolf Warchalowski (2)
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Applicant is inventor:
Tech fields:
airplane (38) · frame (18) · design (18) · Wings (14) · Construction (13) · propulsion (10) · aerodynamics (9) · propellers (8) · LTA (8) · biplane (6) · Tragfläche (5) · Flapping (5) · Subsystem (5) · Chassis (5) · wheels (5) · whole (5)
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Citations from after 1930:
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Showing below up to 65 results in range #1 to #65.

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