Engineering equipment and automation means for waste water management in ELE countries 

 - New  York United Nations USA      1984 
 - ECE Working party on engineering industries and automaiton  1 Pt .
<br/><br/><label>Standard No.: </label>84566 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>"X9(D855).5.N8, M4.1-2/UN"