Drilldown: Patents

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Patents > Office: DE & CPCs : CPC B64B1/62 or CPC B64C35/00

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hydroaeroplane (11) · LTA (11) · None (9) · gas (8) · marine (5) · airplane (5) · design (5) · frame (5) · balloon (3) · buoyancy (3) · hybrid (3) · safety (3)
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Showing below up to 38 results in range #1 to #38.

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