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Patents > Office: AT & Inventor country : DE or FR & Applicant type : Hermann Burkardt or INDIV + COMPANY or INIV or LTA or Other & Supplementary to patent: None & CPCs: None & Number of text pages: 1-2

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Airplane (17) · LTA (16) · subsystem (11) · construction (9) · Airship (8) · Design (8) · Frame (8) · propulsion (6) · stability (6) · wings (5) · whole (5) · suspension (5) · propellers (4) · Hangars (4) · fuselage (4)
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