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METHOD OF IMPREGNATING REINFORCED CONCRETE PARTS OF BUILDING FACILITIES BURRIED IN SOIL IN PARTICULAR REINFORCEDCONCRETE DUCTS,TUBES,RESERVOIRS AND LARGE-SIZE REINFORCED CONCRETE SLABS
METHOD OF IMPREGNATING REINFORCED CONCRETE PARTS OF BUILDING FACILITIES BURRIED IN SOIL IN PARTICULAR REINFORCEDCONCRETE DUCTS,TUBES,RESERVOIRS AND LARGE-SIZE REINFORCED CONCRETE SLABS