Progressus 
 Progreso de la ingeniería 

 - Düsseldorf :  Handelsblatt GmbH,  1951-1966 
 - v. 
<br/><br/><label>ISSN: </label>0721-0345 
 = Progressus. Spanish 
 = Progress., Span. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGENIERIA<br/>TECNOLOGIA
<br/><br/><label>Universal Decimal Class. No.: </label>62