Drilldown: Patents

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Patents > Office: DE & CPCs : CPC B64C35/00 or None & Number of claims: 3-11

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None (3) · Georg Wellner (2) · Ferdinand von Zeppelin (2)
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Tech fields:
LTA (9) · frame (6) · propulsion (6) · navigation (6) · balloon (6) · design (4) · control (4) · None (4) · propeller (4) · whole (4) · military (3) · airplane (3) · stability (3) · helicopter (3) · car (3)
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