DIFF Subgroup Additional Only
Y10T 428/249956 Void-containing component is inorganic
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.] > Void-containing component partially impregnated with adjacent component > Void-containing component is inorganic
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.