Drilldown: Patents

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Patents > Office : GR or NL & Cites these patents : 1912 or None

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Tech fields:
subsystem (15) · airplane (11) · frame (6) · aerodynamics (4) · Construction (4) · propellers (4) · military (3) · instrument (3) · cables (2) · landing (2) · takeoff (2) · airship (2) · propulsion (2) · Parachutes (2) · lift (2) · Wings (2) · design (2) · bombing (2)
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Citations from after 1930:
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Showing below up to 30 results in range #1 to #30.

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