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Patents > IPCs : IPC B64C11/00 or IPC B64C25/00 & Number of text pages: 4-50000000

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Tech fields:
propulsion (11) · airplane (9) · propellers (8) · landing (8) · frame (6) · None (4) · aerodynamics (4) · wheels (4) · chassis (4) · design (4) · rudder (3) · propeller (3) · marine (3) · wings (3) · control (3)
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CPCs:
CPC B64C11/006 (15) · CPC B64C25/06 (7) · CPC B64F2700/6226 (4) · CPC B64C25/64 (4) · CPC B64C25/62 (3) · CPC B64C11/00 (3) · CPC B64C25/00 (3) · CPC B64C25/60 (3) · CPC B64C25/52 (2) · CPC B64C11/003 (2)
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Showing below up to 38 results in range #1 to #38.

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