Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Inventor country : AT or GB or NL

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LTA (12) · navigation (7) · propulsion (4) · balloon (4) · car (4) · dirigible (4) · propeller (3) · Parachute (2) · airfoil (2) · human-powered (2) · projectile (2) · glider (2) · sail (2) · stability (2) · control (2)
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