CPRI <br/><br/>
test facilities for unused mineral insulating oils for transformers and switchgears as per IEC 60296 and IS 335 held between 22-23 Nov. 2012 at CPRI, Nangalore; Course material 

 - Bangalore  CPRI  2012 
 - 83 
<br/><br/><label>Universal Decimal Class. No.: </label>621.315.6  / CPRI.12