Indian standard safety code for the use care and protection of abrasive wheels 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1974 
 - 38p. 
<br/><br/> IS 1991 : 1973 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Abrasive Wheels-Standards<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.922.025  / ISI