Drilldown: Patents

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Patents > National tech categories : FR 6.3 or USPC 244/30 & Number of claims: 2-4

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Frédéric Malfait (2)
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LTA (30) · Propulsion (17) · Navigation (11) · balloon (8) · propeller (6) · frame (6) · safety (5) · parachute (4) · stability (4) · car (4) · rudder (3) · suspension (3) · marine (3) · airship (3)
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