Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup Additional Only
F01N 2470/02

Tubes being perforated

Full Title

Structure or shape of exhaust gas passages, pipes or tubes > Tubes being perforated

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.