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Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
Y10T 428/249953

Composite having voids in a component [e.g., porous, cellular, etc.]

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.]

Of 14 combined children, 0 exist in both systems.

14 codes are CPC-only extensions.

Note: 14 CPC extensions are marked as secondary classification only.