characterised by special cross-section of the elongated members

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls > Walls of framework or pillarwork; Walls incorporating load-bearing elongated members > with elongated members of concrete > characterised by special cross-section of the elongated members

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls (connections for building structures in general E04B1/38; insulation for buildings in general E04B1/62; building elements of relatively thin form for parts of buildings E04C2/00) > walls of framework or pillarwork; Walls incorporating load-bearing elongated members (E04B2/74, E04B2/88 take precedence; pillars E04C3/30) > with elongated members of concrete > characterised by special cross-section of the elongated members