Indian standard approval tests for welders working to approved welding procedures  pt. 1, fusion welding of steel 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1974 
 - 18p. 
<br/><br/> IS 7310 : Part 1 : 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Standards <br/> Steel Welding<br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.791.65  / ISI