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Patents > Office: CH & Granted: Yes & Number of text pages: 4-50000000

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Inventors:
Alfred John Macy (2) · Otto Schüle (2)
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Tech fields:
airplane (12) · design (11) · frame (10) · stability (10) · propulsion (9) · LTA (7) · Propellers (6) · navigation (6) · wings (6) · whole (5) · balloon (4) · subsystem (4) · control (4)
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