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Patents > Supplementary to patent : Patent GB-1911-29012 or None & IPCs : IPC B64B1/62 or IPC B64C3/56 or IPC B64C33/00 & Number of text pages: 3

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flapping (9) · propulsion (9) · Airplane (8) · frame (8) · ornithopter (5) · LTA (5) · wings (4) · Construction (4) · stability (4) · design (4) · whole (3) · Propellers (3) · hybrid (3) · gas (3) · None (3) · folding (2) · propeller (2) · Lift (2) · airfoil (2) · navigation (2)
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Showing below up to 33 results in range #1 to #33.

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