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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.