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Patents > Inventors : Alfred E. Wunderlich or George Halliday or Johann Schütte

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LTA (58) · propellers (51) · airplane (45) · hybrid (40) · airship (21) · frame (16) · Design (13) · propulsion (13) · balloon (11) · rarefaction (10) · balloons (8) · sustentation (8) · Compartments (7) · Ascension (7) · whole (6) · Construction (6) · navigation (4) · helicopter (4) · car (4)
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