Drilldown: Patents

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Patents > Office : DE or DK & Granted: Yes & IPCs : IPC B64B1/00 or IPC B64C3/18

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LTA (18) · frame (8) · design (6) · airship (5) · construction (4) · propulsion (4) · control (4) · car (4) · structure (3) · balloon (3) · airplane (3) · dirigible (3) · navigation (3)
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Showing below up to 33 results in range #1 to #33.

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