What does PEF stand for?
PEF stands for "penetrating enhancing factor"
How to abbreviate "penetrating enhancing factor"?
"penetrating enhancing factor" can be abbreviated as PEF
What is the meaning of PEF abbreviation?
The meaning of PEF abbreviation is "penetrating enhancing factor"
What does PEF mean?
PEF as abbreviation means "penetrating enhancing factor"
