Drilldown: Patents

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

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LTA (19) · propulsion (11) · navigation (7) · propeller (7) · balloon (7) · car (6) · marine (5) · frame (5) · design (4) · hybrid (4) · captive (4) · None (3) · helicopter (3) · dirigible (3) · electricity (3)
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Showing below up to 39 results in range #1 to #39.

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