Megraw, Herbert Ashton  1876-, <br/><br/>
Practical data for the cyanide plant / 
By herbert a. megraw 
 - vii, 93 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Endurecimiento superficial
<br/><br/><label>LC Class. No.: </label>TN767  / M443