DIFF Subgroup
B21H 7/182 Full Title
Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons (nails, pins B21G3/30) > grooved pins; Rolling grooves, e.g. oil grooves, in articles
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.