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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
B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
B24B5/36—Single-purpose machines or devices
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FR812912D1935-11-251936-11-04Appareil pour le polissage et le lissage automatiques à moteur de colonnes de marbre, granit, pierre et similaire
ExpiredFR812912A
(fr)