Gregory, Edwin,  1894-, <br/><br/>
The heat-treatment of steel / 
By Edwin gregory and eric n. simons, with a foreword by c. k. everitt. 
 - 358 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acero
<br/><br/><label>LC Class. No.: </label>TS320  / G73