DIFF Subgroup
E04G 23/0266 Full Title
Working measures on existing buildings, (; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F) > Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.