Appraisal of demand for oxygen dissolved acetylene welding electrodes, gas cylinders. 

 - New Delhi :  National Council of Applied Economic Research,  1961. 
 - 115 p. : 
<br/><br/><label>ISBN: </label>3411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Steel industry and trade
<br/><br/><label>Dewey Class. No.: </label>671.522  / Ap