What does eff. stand for?
eff. stands for "Abr. Effective."
How to abbreviate "Abr. Effective."?
"Abr. Effective." can be abbreviated as eff.
What is the meaning of eff. abbreviation?
The meaning of eff. abbreviation is "Abr. Effective."
What does eff. mean?
eff. as abbreviation means "Abr. Effective."
