DIFF Subgroup
E02B 17/0017 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.