CENTRAL BOARD OF IRRIGATION AND POWER <br/><br/>
SPECIFICATION FOR COMMON METER READING INSTRUMENT 

 - NEWDELHI  C.B.I  1997 
 - 18 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental chemistry-Environmental sciences.
<br/><br/><label>Dewey Class. No.: </label>628.21