What does BEF stand for?
BEF stands for "Ballast Efficacy Factor"
How to abbreviate "Ballast Efficacy Factor"?
"Ballast Efficacy Factor" can be abbreviated as BEF
What is the meaning of BEF abbreviation?
The meaning of BEF abbreviation is "Ballast Efficacy Factor"
What does BEF mean?
BEF as abbreviation means "Ballast Efficacy Factor"
