Drilldown: Patents

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Patents > Office : ?? or AT or DE or GB or HU or NZ & Inventor country: DE & Filing date: 1890 - 1899 & IPCs : IPC B64B1/58 or None & Number of diagram pages: 1

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LTA (22) · propulsion (15) · propeller (9) · balloon (9) · frame (8) · navigation (7) · car (6) · hybrid (5) · design (5) · marine (5) · captive (5) · electricity (4) · jet (3) · dirigible (3) · None (3) · helicopter (3) · ascension (3) · airplane (3) · wheels (3)
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Showing below up to 46 results in range #1 to #46.

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