127500 ⎘
Pavings made of prefabricated single units made of units with cement or like binders; Reinforced units with steel frames; Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units on prefabricated supporting structures or prefabricated foundation elements, except coverings made of layers of similar elements
Precast concrete panel patch system for repair of continuously reinforced concrete
#2Dual direction pre-stressed pre-tensioned precast concrete slabs and process for same
#3Dual direction pre-stressed pre-tensioned precast concrete slabs and process for same