Drilldown: Patents

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Patents > Patent agent: None & Number of text pages: 2-3 & Number of diagram pages: None

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None (7) · Walter Hermann von Mach (2) · Heinrich Dittmar (2) · Edmond Bénel (2)
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Tech fields:
airplane (15) · LTA (11) · Balloons (7) · stability (6) · frame (6) · design (6) · texture (6) · fabric (6) · propulsion (5) · propeller (5) · subsystem (5) · fuselage (4) · Propellers (4) · None (4) · balloon (4) · safety (3) · Construction (3) · gas (3) · instrument (3) · navigation (3)
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