Drilldown: Patents

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Patents > Inventor country: DE & CPCs : CPC B64B1/40 or CPC B64B1/58 & Cites these patents: None & Number of figures: 2-4

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LTA (26) · frame (11) · balloon (8) · airship (7) · Design (5) · Suspension (4) · car (3) · Construction (3) · whole (3) · material (2) · stability (2) · propeller (2) · propulsion (2) · fabric (2) · envelope (2) · balloons (2)
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