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Patents > Office: FR & IPCs: IPC B64C39/00 & First filing: Yes & Number of figures: 5-9

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Inventors:
None (3) · Gottlieb Burckhardt (2)
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None (3) · Gottlieb Burckhardt (2)
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Tech fields:
Airplane (20) · design (14) · Wings (11) · None (10) · Frame (8) · propulsion (7) · stability (7) · aerodynamics (7) · fuselage (5) · Control (5) · Whole (5) · Chassis (5) · lift (4) · Propellers (4) · sustentation (4) · Construction (4) · Steering (3) · heavier-than-air (3) · automatic stability (3)
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None (2)
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