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Patents > Office : BE or GB & Applicant type: None & First filing: None

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None (941) · LTA (53) · propulsion (37) · whole (17) · subsystem (17) · balloon (17) · airplane (15) · navigation (14) · frame (13) · propeller (11) · marine (10) · rudder (9) · compartments (9) · car (8) · airfoil (7) · motor (6) · military (6) · parachute (6) · gas (6) · metal (6)
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