Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & CPCs : CPC B64B1/58 or CPC B64B1/64 or CPC B64C39/005 & Family year: 1907

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LTA (16) · balloon (4) · propulsion (4) · gas (3) · valve (3) · ballonet (3) · stability (3) · Hybrid (2) · Airplane (2) · airship (2) · pressure (2) · Gyroscope (2) · Design (2) · Subsystem (2) · flying machine (2)
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Showing below up to 23 results in range #1 to #23.

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