DIFF Subgroup Additional Only
C10G 2300/201 Impurities
Full Title
Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00 > Characteristics of the feedstock or the products > Impurities
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.