Drilldown: Patents

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Patents > Office: DE & Inventor country : AT or BE

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Tech fields:
LTA (9) · propulsion (8) · balloon (6) · engine (4) · None (3) · airplane (3) · marine (3) · propeller (3) · frame (3) · military (2) · aerodynamics (2) · ICE (2) · propellers (2) · rubber (2) · gas (2) · electricity (2) · Tragfläche (2) · control (2)
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Cites these patents:
Citations from after 1930:
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Showing below up to 35 results in range #1 to #35.

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