Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Office : CH or ES & Number of figures: None

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LTA (9) · balloon (6) · propulsion (5) · propellers (5) · None (4) · subsystem (4) · airplane (4) · rudder (3) · propeller (3) · navigation (3) · Marine (3) · Frame (2) · stability (2) · pressure (2) · Marine propellers (2) · gas (2) · Helicopter (2) · dirigible (2) · Control (2) · design (2)
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Showing below up to 32 results in range #1 to #32.

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