Drilldown: Patents

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Patents > Tech fields : LTA or airship & Number of figures: 11-12

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Philippe Delbert (6) · Ferdinand von Zeppelin (4) · William Alfred South (2) · Charles Groombridge (2) · Louis-Étienne Roze (2) · Francis Alexander Barton (2) · Henry Boinet (2)
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None (12) · Philippe Delbert (4) · William Alfred South (2) · Charles Groombridge (2) · Ferdinand von Zeppelin (2)
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