Blueprint reading 

 - New Delhi  National Productivity Council  1969 
 - 47p. 
 - Workman's guide no.1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blueprint<br/>Production engineering<br/>Engineering drawings
<br/><br/><label>Dewey Class. No.: </label>744.5  / N2B5-1