DIFF Subgroup
C21D 8/10 during manufacturing of tubular bodies
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment > during manufacturing of tubular bodies
CPC:
Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02) > during manufacturing of tubular bodies
No child classifications to compare. This is a leaf node in both IPC and CPC.