Oligomeric lubricant additive designed to enhance antioxidancy and {HEAD ~ corrosion resistance} in {TAIL ~ railway diesel crankcase lubricants} 
in
Oligomeric lubricant additive designed to enhance antioxidancy and { HEAD ~ corrosion resistance } in { TAIL ~ railway diesel crankcase lubricants }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL