International Electrotechnical Commission <br/><br/>
IEC: 60641-2 - 2004; Pressboard and presspaper for electrical purposes Part 2 - Methods of tests 

 - 2 
 - Geneva  IEC  2004 
 - 51 
<br/><br/><label>ISBN: </label>2-8318-7551-X 
<br/><br/><label>Universal Decimal Class. No.: </label> /