Drilldown: Patents

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Patents > Office : HU or RU & Granted: Yes & Number of claims: None & Number of diagram pages: None

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Tech fields:
airplane (9) · whole (4) · propellers (4) · design (4) · wings (3) · lift (3) · flying machine (3) · None (2) · flapping (2) · Sustentation (2) · subsystem (2) · monoplane (2) · HTA (2) · Helicopter (2) · wood (2) · Dirigibles (2) · construction (2) · Airship (2)
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Showing below up to 28 results in range #1 to #28.

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