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Patents > Office : BE or CA or SE & Supplementary to patent: None

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Tech fields:
Airplane (114) · Design (67) · LTA (47) · propellers (46) · stability (43) · propulsion (40) · frame (37) · wings (37) · control (37) · aerodynamics (31) · Hybrid (23) · construction (22) · rudder (22) · navigation (18) · lift (17) · steering (16) · helicopter (15) · subsystem (15) · sustentation (14) · propeller (13)
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None (158) · A. Wunderlich & Cie, Ingénieurs-Conseils (16) · Raclot (16) · Duvinage (13) · de Visscher et Graetz (7) · Kirkpatrick (7) · Raclot et Cie (6) · E. et G. Bede (6) · J. Gevers (6) · Gernaert (4) · Munn & Co. (4) · Rest (3) · R. Wittebolle, Brussels, Belgium (3) · Parette (3) · Wunderlich (3) · Biebuyck (3) · Borghans-von Kilch et Cie (3)
National tech categories:
BE K (188) · None (41) · CA 244/24 (6) · CA 244/11 (3) · CA 341/80 (3) · CA 244/35 (3) · DPK 62b (2) · CA 244/4 (2) · SE 70a (2) · CA 244/21 (2) · CA 244/34 (2) · CA 244/12 (2) · CA 46/28 (2)
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