DIFF Subgroup
B21B 17/04 in a continuous process
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling > with mandrel > in a continuous process
CPC:
Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling > with mandrel, (B21B17/08 takes precedence) > in a continuous process
No child classifications to compare. This is a leaf node in both IPC and CPC.