DIFF Subgroup Additional Only
Y02P 40/10 Production of cement, e.g. improving or optimising the production methods; Cement grinding
Full Title
Technologies relating to the processing of minerals > Production of cement, e.g. improving or optimising the production methods; Cement grinding
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Note: 3 CPC extensions are marked as secondary classification only.