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Patents > IPCs : IPC B64B1/58 or IPC B64C37/00 & Number of claims: 4-10

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LTA (28) · navigation (8) · Frame (8) · construction (7) · propulsion (5) · gas (5) · Texture (5) · Dirigible (5) · Hybrid (4) · airplane (4) · ballonet (4) · balloon (4) · Envelope (4) · design (4) · rigid (3) · Fabric (3) · stability (3) · airship (3) · balloons (3)
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Showing below up to 39 results in range #1 to #39.

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