DIFF Subgroup
B21B 25/06 Interchanging mandrels
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group; Accessories or auxiliary means therefor > Interchanging mandrels
CPC:
Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor > Interchanging mandrels
No child classifications to compare. This is a leaf node in both IPC and CPC.