Gas cylinder rules, 1940. 

 - 3d ed. 
 - Karachi,  Manager of Publications,  1966. 
 - 13 p.  illus.  25 cm. 
<br/><br/> Cover title. 
<br/><br/><label>LCCN: </label>sa 67002971  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gases.<br/>Cylinders.
<br/><br/><label>LC Class. No.: </label>TP243  / .P3 1966