Drilldown: Patents

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Patents > Office : DE or DEG or IN & Filing date: 1800 - 1899 & Application number: None & Supplementary to patent : Patent NO-1915-12-15 Carl Alfred Johansson or None & Number of text pages: None

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LTA (18) · None (10) · balloon (6) · propeller (6) · propulsion (5) · airship (3) · navigation (3) · control (3) · marine (2) · kite (2) · frame (2) · sail (2) · dirigible (2) · ascension (2) · car (2) · aluminum (2)
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