Indian Standards Institution <br/><br/>
Indian standard specification for transformers and inductors (power, audio, pulse and switching) for electronic equipment part III audio frequency transformers and chokes  transformers and inductors for electronic equipment sectional committee, ETDC 38 

 - Indian Standards Institution, New Delhi  1974 
 - 11 
<br/><br/><label>Dewey Class. No.: </label>IS:6297(pt.III)-1974 621.314 I.S.I.