Intems Pictorial System Visual Learning Materials Machining  

 - Netherlands :   Intercontinental Educational Media,   1971 
 - 128 p.  : ill 
 - Metal Work Series .
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Pictorial System
<br/><br/><label>Dewey Class. No.: </label>621.7507  / INT