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Patents > Applicant person: None & IPCs : IPC B64C3/00 or IPC G01P3/36

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Airplane (22) · frame (21) · construction (17) · None (14) · wings (10) · biplane (9) · design (9) · subsystem (7) · speedometer (5) · navigation (5) · instrument (5) · fuselage (5) · wing (3) · method (3) · metal (3)
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