DIFF Subgroup
E04F 13/0801 Full Title
Coverings or linings, e.g. for walls or ceilings (flooring E04F15/00; decoration of surfaces, mosaic work B44, e.g. paper-hanging B44C7/00; made of webs, e.g. of fabrics or wallpaper D03D, D04G, D04H, D06N, D21H; construction of ceilings E04B9/00; roofings or similar water-tight coverings against precipitation E04D) > composed of covering or lining elements; Sub-structures therefor; Fastening means therefor > composed of a plurality of similar covering or lining elements, (E04F13/072 takes precedence; borders, skirtings E04F19/02; )
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.