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Patents > Year granted: 1902 & Office : Other or None & Inventor country : FR or HU & National tech categories : FR 6.3 or HU V/h or USPC 244/80

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Inventors:
Viktor Tarczal (2) · Alfred-Eugène Pichou (2) · F. Gueydan de Roussel (2)
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None (2) · Viktor Tarczal (2) · Alfred-Eugène Pichou (2) · F. Gueydan de Roussel (2)
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Tech fields:
propulsion (22) · LTA (21) · Propellers (11) · navigation (10) · dirigible (9) · balloon (9) · construction (8) · Airship (7) · aerostat (5) · ascension (4) · stability (4) · lift (3) · landing (3) · hybrid (3) · frame (3) · Dirigibles (3) · texture (3)
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