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Patents > Inventor country: FR & IPCs : IPC B64B1/40 or IPC F16F9/40

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LTA (18) · Design (5) · balloon (5) · suspension (4) · stability (4) · captive (3) · airplane (3) · navigation (2) · Airship (2) · Stability, Navigation (2) · Military (2) · safety (2) · Carène (2) · ballonet (2) · nacelle (2) · dirigibles (2)
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