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