Drilldown: Patents

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Patents > National tech categories : DE 77 or USPC 244/131 & Number of text pages: 3-20

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Inventors:
Georg Fischer (2)
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Tech fields:
LTA (18) · navigation (12) · propulsion (8) · frame (8) · None (7) · airship (6) · balloon (6) · car (6) · control (6) · airplane (5) · stability (5) · steering (3) · kite (3) · dirigible (3)
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