Drilldown: Patents

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Patents > Inventor country : RU or Württemberg & Number of claims: 3-7

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Airplane (15) · propulsion (12) · aerodynamics (11) · LTA (9) · Stability (9) · wings (8) · frame (8) · Automatic stability (7) · energy (6) · hydrodynamics (6) · balloon (6) · marine (6) · hybrid (4) · Lift (4) · elasticity (3) · propellers (3) · whole (3) · helicopter (3)
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