DIFF Subgroup Additional Only
Y10T 428/249976 Voids specified as closed
Full Title
Stock material or miscellaneous articles > Web or sheet containing structurally defined element or component > Composite having voids in a component [e.g., porous, cellular, etc.] > Voids specified as closed
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.