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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
B24B27/0015—Hanging grinding machines
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FR595170D1925-03-161925-03-16Perfectionnements aux appareils pour frotter, polir et rendre unies les surfaces planes ou courbes
ExpiredFR595170A
(fr)