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Patents > Office: CH & Applicant is inventor: Yes & CPCs: None & First filing: None & Number of text pages: 1-2

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airplane (11) · LTA (10) · propulsion (8) · propeller (7) · Frame (6) · whole (6) · design (5) · propellers (5) · subsystem (4) · balloon (4) · navigation (4) · Tragfläche (3) · wings (3) · stability (3) · fabric (3)
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Showing below up to 35 results in range #1 to #35.

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