DIFF Subgroup
E04C 5/085 Full Title
Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ( material composition C21, C22) > Members specially adapted to be used in prestressed constructions
E04C 5/085 Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ( material composition C21, C22) > Members specially adapted to be used in prestressed constructions