CPC Subgroup
B24B 13/02 by means of tools with abrading surfaces corresponding in shape with the lenses to be made
Full Title
Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor (edging optical work, e.g. lenses, prisms B24B9/14) > by means of tools with abrading surfaces corresponding in shape with the lenses to be made
2 direct subcodes
Child Classifications
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