Methods of test for petroleum and its product.  Part 19.  Demulsification number of lubricating oil / 
 British standard methods of test for petroleum and its product  Demulsification number of lubricating oil 
British Standard Institution 
 - United Kingdom :  British Standard Institution,  1990 
 - [11 p.] ;  31 cm. 
 - British standard ;  BS 2000 : Part 19 : 1990 .
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<br/><br/><label>ISBN: </label>0580181731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Testing<br/>Petroleum products--Testing--Standards<br/>Lubrication and lubricants--Testing--Standards