Indian Standards Institution <br/><br/>
Indian standard specification for air dielectric variable tuning capacitors part I tests and general requirements  capacitors sectional committee, LTDC 15 

 - Indian Standards Institution, New Delhi  1981 
 - 14 
<br/><br/><label>Dewey Class. No.: </label>IS:3671(pt.I)-1980 621.315 I.S.I.