DIFF Subgroup
E04C 5/073 Full Title
Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ( material composition C21, C22) > Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal (metal elements with non-structural coatings E04C5/01)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.