00589nam a2200169Ia 4500003000900000008004100009040001600050080002600066110003300092245014800125260005000273300000900323500002800332650001800360650002000378650002100398IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.791.65bISI  aIndian Standards Institution 0aIndian standard approval tests for welders working to approved welding proceduresbpt. 1, fusion welding of steelcIndian Standards Institution  aNew DelhibIndian Standards Institutionc1974  a18p.  aIS 7310 : Part 1 : 1974  a Standards   a Steel Welding  aNASA Thesaurus