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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
B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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FR387858D1908-03-051908-03-05
Process for polishing artificial cement stones
ExpiredFR387858A
(en)
Process for hardening and making more resistant objects, colored or not, made of soft or porous natural stones, plaster, magnesite, cement and similar materials