Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Office : CH or FI or GR

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LTA (8) · propulsion (6) · propellers (6) · Design (5) · wings (5) · propeller (4) · flapping (4) · balloon (3) · Airplane (3) · Frame (3) · navigation (3) · subsystem (2) · rudder (2) · hybrid (2) · whole (2) · marine (2) · car (2)
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