DIFF Subgroup Additional Only
Y10T 428/249929 Fibers are aligned substantially parallel
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 > Fiber embedded in a ceramic, glass, or carbon matrix > Fibers are aligned substantially parallel
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.