Verry H R. <br/><br/>
Document copying and reproduction processes 

 -  1958 
<br/><br/><label>Standard No.: </label>6,662 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2;15, J8 (2D)