Indian Standards Institution <br/><br/>
Indian standard specification for stationary storage type electric water heaters  electrical appliances sectional committee, ETDC 43 

 - 2nd rev 
 - Indian Standards Institution, New Delhi  1979 
 - 26 
<br/><br/><label>Dewey Class. No.: </label>IS:2082-1978 683.88 I.S.I.