List of chemical research in progress :  fifth list ; corrected up to january 1920 / 
Board of Industries and munitrions, Govt. of India (British) 
 - Simla:  Govt. Monotype Press,  1920 
 - 8 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical processes<br/>Chemical process control--Instruments--Congresses
<br/><br/><label>Dewey Class. No.: </label>660.28