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