CPC Subgroup
B24B 37/20 Lapping pads for working plane surfaces
Full Title
Lapping machines or devices; Accessories (B24B3/00 takes precedence) > Lapping tools > Lapping pads for working plane surfaces
4 direct subcodes
Child Classifications
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- B24B 37/22 characterised by a multi-layered structure
- B24B 37/24 characterised by the composition or properties of the pad materials
- B24B 37/26 characterised by the shape of the lapping pad surface, e.g. grooved