IS: 816-1969, . (1969). CODE OF PRACTICE FOR USE OF METAL ARC WELDING FOR GENERAL CONSTRUCTION IN MILD STEEL. DELHI: ISI.
IS: 816-1969, . 1969. CODE OF PRACTICE FOR USE OF METAL ARC WELDING FOR GENERAL CONSTRUCTION IN MILD STEEL. DELHI: ISI.
IS: 816-1969, . CODE OF PRACTICE FOR USE OF METAL ARC WELDING FOR GENERAL CONSTRUCTION IN MILD STEEL. DELHI: ISI. 1969.