DIFF Subgroup Additional Only
E02B 2017/0073 Full Title
Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs ; Construction methods therefor (; anchoring floating platforms B63B21/00; floating platforms, e.g. anchored, B63B35/44; )
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Note: 3 CPC extensions are marked as secondary classification only.