for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets

Coverings or linings, e.g. for walls or ceilings > composed of covering or lining elements; Sub-structures therefor; Fastening means therefor > composed of specially adapted, structured or shaped covering or lining elements > for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets

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 specially adapted, structured or shaped covering or lining elements > for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets