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Patents > Supplementary to patent: None & National tech categories : CH 129b or DE 77h.9

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Inventors:
None (18) · Armand Dufaux (3) · Henri Dufaux (3) · Alfred John Macy (3) · Adalbert Plaček (2) · Ernst Heinkel (2) · Joseph Wetterwald (2) · Otto Schüle (2) · Louis Blériot (2) · Alfred E. Wunderlich (2)
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Tech fields:
airplane (23) · frame (16) · design (11) · stability (11) · chassis (10) · subsystem (9) · hydroaeroplane (8) · whole (7) · landing (6) · marine (6) · propulsion (6) · None (5) · hybrid (5) · propeller (5) · construction (5) · takeoff (5) · wheels (5)
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