Chemicals and oils from coal programme / 
Symposium on Chemicals and oils from coal programme held on chemicakls and oils from coal programme 
 - Dhanbad :  Central fuel research Institute ,  1969 
 - 11 p. ;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal preparation plants--India<br/>Coal preparation
<br/><br/><label>Dewey Class. No.: </label>662.66