Copper in cast steel and iron. /  

 - London :   [1937] 
 - 136p.  il., tablas.  23cm. 
 - Its C.D.A. publication  no. 29 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>ACEROS<br/>HIERROS
<br/><br/><label>Universal Decimal Class. No.: </label>669