DIFF Subgroup Additional Only
Y10T 428/249924 Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
Full Title
Stock material or miscellaneous articles > Web or sheet containing structurally defined element or component > Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
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.