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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
B23D67/00—Filing or rasping machines or devices
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FR1075334D1952-02-061953-02-05
Improvements in cutting and abrasion machines
ExpiredFR1075334A
(en)