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Patents > Office : CA or DE or FR & IPCs : IPC B64B1/40 or IPC B64C35/00 & Number of text pages: 3-70

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design (13) · hydroaeroplane (12) · airplane (9) · Hydroplane (9) · LTA (7) · stability (6) · landing (6) · wheels (6) · takeoff (6) · frame (6) · hybrid (5) · balloon (5) · chassis (4) · Fuselage (4) · suspension (4) · construction (4) · marine (3) · floats (3) · wings (3) · captive (3)
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