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Patents > Office : AT or CL or CU or FI or US or Other & Filing date: 1910 - 1919 & National tech categories : DE 77h.5 or USPC 244/153R or USPC 244/30 & Number of claims: 3-4

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airplane (16) · frame (11) · wings (7) · construction (6) · fuselage (6) · design (5) · biplane (4) · control (4) · whole (3) · stability (3) · wing (2) · piloting (2) · parachute (2) · metal (2) · hybrid (2) · None (2)
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Showing below up to 33 results in range #1 to #33.

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