What does FOS stand for?
FOS stands for "Frente Obrero Socialista"
How to abbreviate "Frente Obrero Socialista"?
"Frente Obrero Socialista" can be abbreviated as FOS
What is the meaning of FOS abbreviation?
The meaning of FOS abbreviation is "Frente Obrero Socialista"
What does FOS mean?
FOS as abbreviation means "Frente Obrero Socialista"
