Drilldown: Patents

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Patents > National tech categories: AT 77d & Number of claims: 1

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Inventors:
None (5) · Reinhold Richter (3) · Heinrich Bier (2) · Josef Deixler (2)
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Tech fields:
LTA (16) · Airplane (14) · frame (11) · Design (9) · wings (7) · propulsion (7) · airship (7) · Construction (6) · Propellers (6) · propeller (5) · navigation (5) · aerodynamics (5) · control (5) · None (4) · biplane (4) · balloon (4)
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