Drilldown: Patents

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Patents > Grant date: 1910 - 1919 & IPCs: IPC B64C33/02 & Number of text pages: 2-3

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Gerhard Beer (2) · Caspar Dietrich Otto Vollmann (2) · René Tampier (2) · Lin-Marius Mannent (2) · Max Muehter (2) · Franz Blicharski (2)
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None (2) · Franz Blicharski (2) · Gerhard Beer (2) · Caspar Dietrich Otto Vollmann (2) · René Tampier (2) · Lin-Marius Mannent (2) · Max Muehter (2)
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None (4)
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