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Patents > Year filed: 1912 & National tech categories : CA 244/40 or HU V/h

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None (7) · Dőry Béla Jobaházi (2) · Adolf Freiherr Odkolek von Augezd (2) · Árpád Zigány (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2) · Johann Schütte (2)
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None (7) · Dőry Béla Jobaházi (2) · Adolf Freiherr Odkolek von Augezd (2) · Árpád Zigány (2) · Johann Schütte (2) · Carl Franz Hubert Hertel (2) · Carl Wilhelm Paul (2)
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Tech fields:
airplane (23) · Construction (14) · Design (12) · Frame (11) · Propellers (10) · Airship (8) · Wings (7) · Aerodynamics (6) · stability (6) · chassis (4) · Flapping (4) · automatic stability (4) · Fuselage (4) · human-powered (3) · Gliders (3)
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None (3)
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