Chemical industry 

 - New  York United Nations U K     1969 
 - "ix,89p."  cm. 
<br/><br/><label>Standard No.: </label>85196 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>"X9(E).1(X).N6, K9/UN"