DIFF Subgroup
B24B 11/02 for grinding balls
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor > for grinding balls
CPC:
Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor (specially designed for optical surfaces B24B13/00, for seat surfaces B24B15/00) > for grinding balls
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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