International Eelectrotechnical Commission <br/><br/>
IEC: 60076-15(Ed-1.0) - 2008-02; Power transformers - part 15: Gas-filled power transformers 

 - 1.0 
 - Geneva  IEC  2008 
 - 52 
<br/><br/> Downloaded from IEC website 
<br/><br/><label>Universal Decimal Class. No.: </label> /