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Patents > Grant date: 1917 & Family year: 1916 & Number of text pages: 3-4

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None (9) · airplane (6) · construction (5) · frame (4) · control (4) · landing (3) · hydroaeroplane (3) · attachment (2) · propellers (2) · fuselage (2) · helicopter (2) · subsystem (2) · propulsion (2) · suspension (2) · hybrid (2) · air resistance (2) · wire (2) · chassis (2)
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None (4) · CPC B64C25/60 (3) · CPC B64B1/00 (3) · CPC B64C39/005 (2) · CPC B64C3/54 (2) · CPC B64C3/385 (2) · CPC B64C2700/6295 (2) · CPC B64C2700/6274 (2) · CPC B64C2700/6235 (2) · CPC B64C3/00 (2) · CPC B64C23/005 (2)
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