DIFF Subgroup
B23C 3/22 Forming overlapped joints, e.g. of the ends of piston-rings
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Milling particular work; Special milling operations; Machines therefor > Forming overlapped joints, e.g. of the ends of piston-rings
CPC:
Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Forming overlapped joints, e.g. of the ends of piston-rings
No child classifications to compare. This is a leaf node in both IPC and CPC.