Specification for straight mineral lubricating oil / 
British Standards Institution 
 - 8 leaves :  illustrations ;  30 cm. 
 - British standard ;  BS 4475 : 1975 .
 - British standard ;  BS 4475 : 1975 .
<br/><br/><label>ISBN: </label>0580089959 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lubrication and lubricants--Standards.