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Patents > Applicant type : INDIV or INIDV & Filing date: 1917 & IPCs : IPC B64C27/04 or IPC B64C3/18 or IPC B64C39/00

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frame (9) · construction (8) · design (6) · airplane (6) · None (4) · Wings (4) · spars (4) · Monoplane (4) · helicopter (4) · structure (3) · propulsion (3) · longerons (3) · aircraft (3) · aerodynamics (3) · fuselage (2) · wing (2) · tail (2) · metal (2) · subsystem (2) · nervure (2)
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Showing below up to 35 results in range #1 to #35.

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