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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
B24B47/00—Drives or gearings; Equipment therefor
B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
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Mechanical Engineering
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FR15914D1912-04-251912-05-08Procédé et dispositif d'obtention de lentilles aplanétiques
ExpiredFR15914E
(fr)