Gates, George Laurence <br/><br/>
Deposition of barium sulfate from sea water in oil well rotary pumps  
Gates, George Laurence 
 - Washington  Bureau of mines  1967 
 - Report Investigation  6960 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>sulfato de bario<br/>compresor rotativo de paletas<br/>agua de mar
<br/><br/><label>Universal Decimal Class. No.: </label>661.844.532 : 551.463 (47)