National physical laboratory <br/><br/>
Properties of electrical  in sulating materials and methods of test 

 -  1952 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>60194 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Municipal engineering
<br/><br/><label>Dewey Class. No.: </label>D66:1, J2