Indian standard preferred sizes for wrought metal products 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1959 
 - 6p. 
<br/><br/> IS 1136 : 1958 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Standards <br/> Wrought Metal-Standards<br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:669.015  / ISI