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Patents > Year granted: 1880 - 1889 & Inventor country : GB or NO or RO

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LTA (11) · navigation (7) · car (5) · propulsion (3) · balloon (3) · propeller (3) · dirigible (3) · Parachute (2) · human-powered (2) · glider (2) · airfoil (2) · stability (2)
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