131924 ⎘
Construction or assembling of bulk storage containers employing civil engineering techniques or off the site; Containers for fluent solids, e.g. silos, bunkers; Supports therefor; Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials composed of special building elements
Modular concrete storage structure
#2PRE-CAST CONCRETE STORAGE STRUCTURE
#3Prestressed concrete roof for cylindrical tank
#4Method for constructing cylindrical tank
#5Concrete structure
#6STRUCTURE
#7Large scale structures
#8WATER TANK IMPROVEMENTS