US  2,699,429 <br/>
Lubricating oil composition. 

 -  Jan. 11, 1955 
<br/><br/> cl.252/1 
<br/><br/><label>Subjects--Local Terms: </label><br/>LUBRICATING OIL 
<br/><br/><label>Call Number: </label>US 2,699,429