Indian standard approval tests for welding procedures  pt. 1, fusion welding of steel 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1974 
 - 20p. 
<br/><br/> IS 7307 : Part 1 : 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Standards <br/> Welding Procedures<br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.791.65  / ISI