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B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
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FR1087807D1953-04-301953-04-30Perfectionnements aux machines utilisant des bandes abrasives
ExpiredFR1087807A
(fr)