IS: 1570 (Part I) - 1978; Schedules for Wrought Steels Part 1 Steels Specified by Tensile and/or Yield Properties

IS: 1570 (Part I) - 1978; Schedules for Wrought Steels Part 1 Steels Specified by Tensile and/or Yield Properties - New Delhi BIS 1980 - 15p

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