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Patents > Office : BE or CA or GR & Applicant type : COMPANY + INDIV or INDIV or INIV or Other & Supplementary to patent : Patent BE-1909-214032 or Patent DE-1895-98580 or Patent NO-1915-12-15 Carl Alfred Johansson or   or None

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Tech fields:
airplane (144) · propellers (79) · LTA (79) · design (66) · Hybrid (55) · stability (41) · propulsion (38) · frame (38) · wings (37) · control (36) · aerodynamics (30) · rudder (22) · construction (22) · lift (17) · navigation (16) · steering (16) · helicopter (15) · Sustentation (14) · landing (13)
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None (157) · A. Wunderlich & Cie, Ingénieurs-Conseils (44) · Raclot (16) · Duvinage (13) · De Visscher et Graetz (7) · Kirkpatrick (7) · J. Gevers (6) · E. et G. Bede (6) · Raclot et Cie (6) · Gernaert (4) · Munn & Co. (4) · Parette (3) · Borghans-von Kilch et Cie (3) · R. Wittebolle, Brussels, Belgium (3) · Rest (3) · Biebuyck (3) · Wunderlich (3)
National tech categories:
BE K (219) · None (36) · CA 244/24 (6) · CA 244/35 (3) · CA 341/80 (3) · CA 244/11 (3) · CA 54 (2) · CA 244/34 (2) · CA 244/21 (2) · CA 244/12 (2) · CA 244/4 (2)
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