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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
B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
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FR452709D1912-12-211912-12-21Procédé et appareil pour l'application de matières abrasives aux appareils à polir ou doucir
ExpiredFR452709A
(fr)
Appareil rotatif ou à mouvement alternatif pour brosser, frictionner, polir, composé d'éléments brosseurs, frictionneurs et polisseurs amovibles et interchangeables
Appareil rotatif ou à mouvement alternatif pour brosser, frictionner, polir, composé d'éléments brosseurs, frictionneurs et polisseurs amovibles et interchangeables