Drilldown: Patents

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Patents > Office : AT or IN or LU & First filing: None & Number of figures: 4-6

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Inventors:
None (8) · Heinrich Bier (2)
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Tech fields:
airplane (14) · LTA (12) · frame (12) · airship (6) · propulsion (6) · design (6) · stability (5) · construction (5) · aerodynamics (4) · subsystem (4) · propeller (4) · propellers (4) · hangars (4) · navigation (4) · Drachenflieger (4) · whole (4) · wings (4) · balloon (4)
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Citations from after 1930:
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Showing below up to 46 results in range #1 to #46.

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