Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : BE or DEG or ES or GB or JP or MX or SE & Applicant type : COMPANY + INDIV or None & Number of text pages: 2-3

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airplane (5) · LTA (4) · military (4) · propellers (4) · frame (3) · balloon (3) · ballonet (2) · design (2) · propulsion (2) · navigation (2)
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Showing below up to 23 results in range #1 to #23.

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