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Patents > Inventor country: FR & CPCs: CPC B64B1/00 & Number of claims: 4-7

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LTA (21) · None (11) · airship (6) · balloon (6) · compartments (6) · dirigible (5) · frame (5) · dirigibles (5) · navigation (4) · balloons (4) · hybrid (4) · stability (3) · aerostat (3) · gas (3) · design (3) · ballonet (3) · construction (3)
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