Drilldown: Patents

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Patents > Office : GB or LU & Inventor country: DE & Filing date: 1890 - 1899 & CPCs: None

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LTA (11) · propulsion (9) · navigation (7) · propeller (4) · balloon (4) · jet (3) · stability (3) · gas (3) · frame (3) · marine (3) · car (3) · captive (3)
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Showing below up to 23 results in range #1 to #23.

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