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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
B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
B—PERFORMING OPERATIONS; TRANSPORTING
B24—GRINDING; POLISHING
B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
B24D9/02—Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force
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FR584474D1923-10-171923-10-17Appareillage pour le polissage des récipients en porcelaine recouverts d'une couche métallique par galvanoplastie
ExpiredFR584474A
(fr)