What does PREF stand for?
PREF stands for "POWER EFFICIENCY CORP."
How to abbreviate "POWER EFFICIENCY CORP."?
"POWER EFFICIENCY CORP." can be abbreviated as PREF
What is the meaning of PREF abbreviation?
The meaning of PREF abbreviation is "POWER EFFICIENCY CORP."
What does PREF mean?
PREF as abbreviation means "POWER EFFICIENCY CORP."
