Indian standard dimensions for t-slots 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1974 
 - 2p. 
<br/><br/> IS 2013 : 1974 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Standards<br/>T-Slots-Standards
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.229.311  / ISI