DIFF Subgroup
B21B 13/023 Full Title
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
B21B 13/023 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