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Patents > CPCs : CPC B64B1/58 or CPC F41A19/05 & First filing: None

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LTA (16) · balloon (8) · Fabric (5) · gas (4) · frame (3) · safety (2) · navigation (2) · pressure (2) · propeller (2) · propulsion (2) · design (2) · texture (2) · car (2) · whole (2) · aluminum (2)
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