CPC Subgroup
B21B 13/16 with alternatively operative rolls
Full Title
Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (B21B17/00 - B21B23/00 take precedence) > with alternatively operative rolls
B21B 13/16 Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories (B21B17/00 - B21B23/00 take precedence) > with alternatively operative rolls