00754nam a2200205Ia 4500003000900000008004100009040001600050080002600066110003300092245012000125260005000245300000900295500002800304650001800332650003100350650002100381942000700402999001500409952012400424IN-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 Procedures99147  aNASA Thesaurus   cBK  c5161d5161  00104070aBANbBANcGENd1976-12-22g7.50l0o083.7:621.791.65/ ISIp5762r2021-11-05v7.50w1976-12-22yBKGRs. 7.50