E04C1/00—Building elements of block or other shape for the construction of parts of buildings
E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
Charpente de maconnerie a blocs ou briques faite d'elements modulaires en tole d'acier ou d'aluminium mise en forme et comprenant des organes d'assemblage