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Patents > CPCs : CPC B64B1/58 or CPC F42B8/24 & Number of claims: 2

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LTA (23) · airship (8) · frame (6) · fabric (5) · balloon (5) · dirigible (4) · material (3) · design (3) · Envelope (3) · stability (2) · envelopes (2) · suspension (2) · covering (2) · car (2) · valve (2)
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