Maintenance and repair in developing countries :  report of the symposium held in Duisburg, Federal Republic of Germany, 10-17 November 1970. 

 - New York :  UN ,  1971 
 - 90p. :  ill. ;  24 cm.  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maintenance and repair<br/>Conferences<br/>Plant maintenance
<br/><br/><label>Dewey Class. No.: </label>658.202  / UNIDO