DIFF Subgroup
B21B 13/12 axes being arranged in different planes
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories > with differently-directed roll axes, e.g. for the so-called "universal" rolling process > axes being arranged in different planes
CPC:
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (B21B17/00 - B21B23/00 take precedence) > with differently-directed roll axes, e.g. for the so-called "universal" rolling process > axes being arranged in different planes
No child classifications to compare. This is a leaf node in both IPC and CPC.