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Patents > National tech categories : BE K or IT 8

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Airplane (232) · LTA (105) · design (98) · Propellers (97) · Propulsion (71) · hybrid (62) · stability (58) · wings (57) · frame (49) · control (40) · aerodynamics (37) · navigation (37) · construction (33) · sustentation (25) · rudder (24) · lift (22) · marine (22) · ascension (20) · propeller (20)
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None (284) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (16) · Patent SE-1906-23283 (4) · Patent BE-1913-255172 (3) · Patent FR-1902-326727 (3) · Patent BE-1907-197626 (3)
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None (257) · A. Wunderlich & Cie, Ingénieurs-Conseils (56) · Raclot (22) · Duvinage (21) · J. Gevers (15) · Kirkpatrick (12) · De Visscher et Graetz (11) · Biebuyck (8) · E. et G. Bede (8) · Raclot et Cie (6) · Gernaert (5) · Wunderlich (4) · Verhaeghen (4) · Borghans-von Kilch et Cie (4) · Parette (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Rest (3) · R. Wittebolle, Brussels, Belgium (3)
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