International Electrotechnical Commission <br/><br/>
IEC: 60296-2003-11-Ed 3; Fluids For Electrotechnical Applications-Unused mineral insulating oils for transformers and switchgear. 

 - 3 
 - Geneva  IEC  2003 
 - 31 
<br/><br/><label>Universal Decimal Class. No.: </label> /