DIFF Subgroup
B21B 13/04 Three-high arrangement
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 axes of rolls arranged horizontally > Three-high arrangement
CPC:
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (B21B17/00 - B21B23/00 take precedence) > with axes of rolls arranged horizontally > Three-high arrangement
No child classifications to compare. This is a leaf node in both IPC and CPC.