IS:1139-Specification for hot rolled mild steel medium tensile steel deformed bars for concrete reinforcement
Indian Standard Institution
IS:1139-Specification for hot rolled mild steel medium tensile steel deformed bars for concrete reinforcement - Delhi:I.S.I 1966 - 11
624.1821 / ISI
IS:1139-Specification for hot rolled mild steel medium tensile steel deformed bars for concrete reinforcement - Delhi:I.S.I 1966 - 11
624.1821 / ISI