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Patents > National tech categories: None & CPCs : CPC B64B1/40 or CPC B64C27/10

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None (25) · LTA (12) · balloon (6) · stability (4) · Airship (4) · design (3) · construction (2) · navigation (2) · kite (2) · HTA (2) · fabric (2) · gas (2) · texture (2) · captive (2) · Airplane (2) · ascension (2)
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None (2)
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Showing below up to 44 results in range #1 to #44.

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