What does UPR stand for?
UPR stands for "United Piston Ring"
How to abbreviate "United Piston Ring"?
"United Piston Ring" can be abbreviated as UPR
What is the meaning of UPR abbreviation?
The meaning of UPR abbreviation is "United Piston Ring"
What does UPR mean?
UPR as abbreviation means "United Piston Ring"
