What does PEF stand for?
PEF stands for "Particulate Emission Factor"
How to abbreviate "Particulate Emission Factor"?
"Particulate Emission Factor" can be abbreviated as PEF
What is the meaning of PEF abbreviation?
The meaning of PEF abbreviation is "Particulate Emission Factor"
What does PEF mean?
PEF as abbreviation means "Particulate Emission Factor"
