What does OPR stand for?
OPR stands for "Onshore Pipeline Regulations"
How to abbreviate "Onshore Pipeline Regulations"?
"Onshore Pipeline Regulations" can be abbreviated as OPR
What is the meaning of OPR abbreviation?
The meaning of OPR abbreviation is "Onshore Pipeline Regulations"
What does OPR mean?
OPR as abbreviation means "Onshore Pipeline Regulations"
