Minimal national standards-selected inorganic chemical industry, pt.1 
by Central Pollution Control Board 
 - Delhi  Central Pollution Control Board  1990 
 - 58p. 
 - Comprehensive Industry Document Series: Coinds/32/1989/90 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical industry<br/>Water Pollution<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>O91 M664