CPC Subgroup
B24B 37/28 for double side lapping of plane surfaces
Full Title
Lapping machines or devices; Accessories (B24B3/00 takes precedence) > Work carriers > for double side lapping of plane surfaces
B24B 37/28 Lapping machines or devices; Accessories (B24B3/00 takes precedence) > Work carriers > for double side lapping of plane surfaces