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Publication of BE688145ApublicationCriticalpatent/BE688145A/xx
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
B24B21/04—Machines or devices using grinding or polishing belts; Accessories therefor for grinding plane surfaces
