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B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D71/00—Filing or rasping tools; Securing arrangements therefor
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Engineering & Computer Science
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Mechanical Engineering
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FR658818D1928-08-091928-08-09Lime abrasive et son procédé de fabrication
ExpiredFR658818A
(fr)