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Publication of FR928726ApublicationCriticalpatent/FR928726A/fr
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
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FR928726D1946-04-031946-04-03Procédé et machine pour le dégrossissage de verres optiques et objets analogues
ExpiredFR928726A
(fr)
