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Patents > Office: FR & CPCs : CPC B64B1/40 or CPC B64C11/48

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LTA (28) · stability (8) · suspension (6) · balloon (6) · design (5) · Airship (5) · Propellers (5) · Nacelle (5) · None (4) · military (4) · ascension (3) · frame (3) · airplane” (3) · balloons (3) · captive (3) · Aerostat (3) · safety (3) · ballonet (3)
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None (6)
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Showing below up to 47 results in range #1 to #47.

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