DIFF Subgroup
E02D 5/523 Full Title
Bulkheads, piles, or other structural elements specially adapted to foundation engineering (engineering elements in general F16) > Piles (sheet piles, E02D5/02; ) > Piles composed of separable parts, e.g. telescopic tubes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.