Intenational Organization for Standardization <br/><br/>
ISO: 75-2 (Ed-3.0)-2013-04-15; Plastics-Determination of Temperature of Deflection under Load-Part 2: Plastics and Ebonite 

 - 3.0 
 - Switzerland  ISO  2013 
 - 9+4 
<br/><br/><label>Universal Decimal Class. No.: </label> /