00566nam a2200169Ia 4500003000900000008004100009040001600050080002600066110003300092245012000125260005000245300000900295500002800304650001800332650002500350650002100375IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.791.65bISI  aIndian Standards Institution 0aIndian standard approval tests for welding proceduresbpt. 1, fusion welding of steelcIndian Standards Institution  aNew DelhibIndian Standards Institutionc1974  a20p.  aIS 7307 : Part 1 : 1974  a Standards   a Welding Procedures  aNASA Thesaurus