Drilldown: Patents

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Patents > Publication date: 1800 - 1899 & Family year: 1800 - 1899 & Number of text pages: 2-3

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LTA (15) · propulsion (9) · frame (5) · propellers (5) · design (5) · balloon (5) · hybrid (4) · Dirigibles (4) · Construction (4) · navigation (4) · propeller (4) · steam (4) · helicopter (3) · marine (3) · Airship (3) · airplane (3) · dirigible (3) · kite (3)
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Showing below up to 34 results in range #1 to #34.

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