What does PFR stand for?
PFR stands for "Protection Factor Ratios"
How to abbreviate "Protection Factor Ratios"?
"Protection Factor Ratios" can be abbreviated as PFR
What is the meaning of PFR abbreviation?
The meaning of PFR abbreviation is "Protection Factor Ratios"
What does PFR mean?
PFR as abbreviation means "Protection Factor Ratios"
