DIFF Subgroup Additional Only
F21W 2111/04 for waterways
Full Title
Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 > for waterways
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.