Simons, Eric N. <br/><br/>
Cutting-tool materials. 
Eric N,Simons 
 - 
 -  c 1951 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Materials--General 
<br/><br/><label>Dewey Class. No.: </label>669.17 SIM