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Patents > Tech fields : control or lift & Patent agent: None & Number of claims: 2-3

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None (9) · Anton Flettner (4) · Max Richter (3) · Detlev Zickler (2) · Louis Blériot (2) · Alois Laube Jr. (2) · Christian Magnus Gyde Jensen (2) · Emanuel Kalisch (2) · Eduard Penkala (2)
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None (9) · Anton Flettner (4) · Max Richter (3) · Louis Blériot (2) · Emanuel Kalisch (2) · Christian Magnus Gyde Jensen (2) · Eduard Penkala (2) · Detlev Zickler (2) · Alois Laube Jr. (2)
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