Drilldown: Patents

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Patents > National tech categories: DE 77 & Number of claims: 1 & Number of figures: 3-5

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LTA (14) · propulsion (12) · balloon (6) · navigation (5) · kite (4) · airship (4) · steering (4) · propeller (4) · ornithopter (3) · frame (3) · dirigible (3) · control (3) · car (2) · piloting (2) · parachute (2) · marine (2)
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Showing below up to 34 results in range #1 to #34.

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