Drilldown: Patents

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Patents > Inventor location: None & Number of text pages: 3-11 & Number of claims: 15

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airplane (8) · None (7) · propulsion (5) · LTA (5) · navigation (5) · frame (4) · petroleum (3) · propeller (3) · hybrid (3) · bamboo (3) · safety (3) · whole (3)
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