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Beams prefabricated in a cement reinforced with the armature of the hollow core or a solid is obtained by the incorporation of the layers of wires of steel, placed on the diagonals oude sheets of expanded metal
Beams prefabricated in a cement reinforced with the armature of the hollow core or a solid is obtained by the incorporation of the layers of wires of steel, placed on the diagonals oude sheets of expanded metal
