Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : BE or FR & Applicant firm: None & Applicant type : COMPANY + INDIV or INDIV or INIV & Supplementary to patent : Patent BE-1909-214032 or Patent NO-1915-12-15 Carl Alfred Johansson or   or None & CPCs: CPC B64C23/005

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None (16) · Airplane (16) · Propulsion (12) · Hybrid (7) · Ascension (6) · lift (6) · frame (5) · helicopter (5) · Design (5) · propeller (4) · Navigation (4) · stability (3) · propellers (3) · LTA (3) · Wings (3) · chassis (3) · Construction (3)
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