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Patents > Tech fields : Airship or propellers & Supplementary to patent : Patent US-1909-970771 or None & First filing: None

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None (19) · Emanuel Kalisch (5) · Johann Schütte (4) · Louis-Marie Le Dantec (3) · Giovanni Antonio Salvatico (2) · Louis Blériot (2) · Charles Algernon Parsons (2)
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None (27) · Emanuel Kalisch (5) · Louis-Marie Le Dantec (3) · Johann Schütte (3) · Louis Blériot (2) · Charles Algernon Parsons (2) · Giovanni Antonio Salvatico (2)
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