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Patents > Office: FR & Inventor country : DE or GB or HU or RU & IPCs : IPC B64C23/00 or IPC B64C3/00 or IPC B64C39/00 & Number of claims: 1-2 & Number of diagram pages: 1-6

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airplane (14) · design (10) · Propellers (9) · None (8) · lift (8) · navigation (6) · Control (6) · propulsion (6) · Stability (4) · Wings (4) · Whole (4) · construction (4) · Frame (4) · Rudder (4) · LTA (3) · steering (3) · monoplane (2) · attachment (2) · marine (2)
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Showing below up to 39 results in range #1 to #39.

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