DIFF Subgroup
E04B 9/303 Full Title
Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (ceilings used as forms for making floors E04B5/00; coverings or linings for ceilings E04F13/00) > characterised by edge details of the ceiling; e.g. securing to an adjacent wall
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.