What does EFC stand for?
EFC stands for "Equal Frequency Contours"
How to abbreviate "Equal Frequency Contours"?
"Equal Frequency Contours" can be abbreviated as EFC
What is the meaning of EFC abbreviation?
The meaning of EFC abbreviation is "Equal Frequency Contours"
What does EFC mean?
EFC as abbreviation means "Equal Frequency Contours"
