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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
B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
B24B55/06—Dust extraction equipment on grinding or polishing machines
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FR61356D1951-01-091951-01-09Perfectionnement aux machines à meuler comportant un dispositif d'évacuation des débris de meulage
ExpiredFR61356E
(fr)