Fried. Krupp aktiengesellschaft. 

 - [Essen,  Printed by the F. Krupp aktiengesellschaft,  1929?] 
 - 68 p., 1 l.  illus.  21 cm. 
<br/><br/><label>LCCN: </label>tmp92001110  
<br/><br/><label>LC Class. No.: </label>TS330.K9  / A45 1929