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Patents > Tech fields : Airship or Parachute & Filing date: 1909

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Johann Schütte (12) · Rudolf Wagner (4) · Hermann Ruthenberg (4) · Carl Edler von Radinger (4) · Alexandre Roy (2) · Joseph Allison Steinmetz (2)
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Johann Schütte (12) · None (7) · Hermann Ruthenberg (4) · Rudolf Wagner (4) · Carl Edler von Radinger (4) · Alexandre Roy (2) · Joseph Allison Steinmetz (2)
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