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Patents > Grant date: 1913 & CPCs: CPC B64B1/00

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LTA (25) · frame (10) · dirigible (8) · hybrid (6) · propulsion (5) · balloon (5) · None (4) · construction (4) · propeller (4) · Airship (4) · dirigibles (3) · design (3) · balloons (3) · marine (2) · flapping (2) · airplane (2) · suspension (2) · ballonet (2) · fabric (2) · military (2)
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Showing below up to 35 results in range #1 to #35.

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