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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
B24B27/00—Other grinding machines or devices
B24B27/027—Other grinding machines or devices having a flexible shaft
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FR606480D1925-11-181925-11-18Machine à dresser et poncer perfectionnée
ExpiredFR606480A
(fr)