DIFF Subgroup
E04B 1/003 Full Title
Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs (scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.