Indian standard dimensions for hot rolled steel beams  pt. 1, MB series 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1973 
 - 3p. 
<br/><br/> IS 808 : Part 1 : 1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Rolled Steal Beams-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:669.14.122.4  / ISI