Durkopp 211,212 and 219:  Instructions for operations and mechanics. 
Durkopp. 
 - Germany :  Durkoppwerke GmbH 
 - 104p. 
<br/><br/><label>ISBN: </label>N/A 
<br/><br/><label>LC Class. No.: </label>TT 570.1   / .D87