Indian Standards Institution <br/><br/>
Indian standard marking codes for values and tolerances of resistors and capacitors  Capacitors and resistors for electronic equipment sectional committee, LTDC 6 

 - Indian Standards Institution, New Delhi  1977 
 - 14 
<br/><br/><label>Dewey Class. No.: </label>IS:8186-1976 621.315 I.S.I.