Elementary metal course   : training section 1 

 - Berlin  : Bundesinstitut fur Berufsbildungs-forschung,  1973 
 - various pages.  ; ill.  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metal<br/>Elementary<br/>Study and teaching
<br/><br/><label>LC Class. No.: </label>QTO TJ205.E6