Indian standard specification for mild steel tubes, tubulars and other wrought steel fittings  pt. 1, mild steel tubes 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1974 
 - 17p. 
<br/><br/> IS 1239 : Part 1 : 1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mild Steel Tubes-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:669.141.24-462  / ISI