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Patents > National tech categories : BE K or USPC 139/413 or USPC 244/90R

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None (299)
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None (236) · Patent BE-1909-214032 (32) · Patent BE-1907-199348 (14) · Patent BE-1913-255172 (3) · Patent FR-1911-426626 (2) · Patent FR-1900-299924 (2) · Patent FR-1913-467415 (2) · Patent FR-1913-468076 (2) · Patent BE-1913-259683 (2) · Patent BE-1910-225558 (2) · Patent BE-1909-218585 (2) · Patent FR-1911-430455 (2) · Patent BE-1907-197626 (2)
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None (134) · A. Wunderlich & Cie, Ingénieurs-Conseils (52) · Duvinage (21) · Raclot (19) · J. Gevers (16) · Kirkpatrick (11) · De Visscher et Graetz (11) · Biebuyck (7) · Raclot et Cie (5) · E. et G. Bede (5) · Verhaeghen (4) · Victor J. Evans (3) · Rest (3) · Parette (3) · le Comptoir indus. et tech. (anc. maison Picard) (3) · Gernaert (3) · R. Wittebolle, Brussels, Belgium (3) · Wunderlich (3) · Borghans-von Kilch et Cie (3)
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