Drilldown: Patents

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Patents > National tech categories : DE 77f or HU V/h & Number of claims: 3

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None (19) · Franz Schneider (2)
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None (21)
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Tech fields:
Airplane (34) · design (21) · Construction (16) · Propellers (15) · airship (14) · Wings (13) · subsystem (12) · LTA (12) · frame (11) · Aerodynamics (8) · Chassis (7) · stability (7) · Balloons (6) · biplane (6) · lift (6) · Propulsion (5) · dirigibles (5) · Wheels (5) · Flapping (4)
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None (9)
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Showing below up to 69 results in range #1 to #69.

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