DIFF Subgroup Additional Only
C01B 2203/0805 Methods of heating the process for making hydrogen or synthesis gas
Full Title
Integrated processes for the production of hydrogen or synthesis gas > Methods of heating or cooling > Methods of heating the process for making hydrogen or synthesis gas
Of 7 combined children, 0 exist in both systems.
7 codes are CPC-only extensions.
Note: 7 CPC extensions are marked as secondary classification only.