What does IOS stand for?
IOS stands for "International Operative Secretariat"
How to abbreviate "International Operative Secretariat"?
"International Operative Secretariat" can be abbreviated as IOS
What is the meaning of IOS abbreviation?
The meaning of IOS abbreviation is "International Operative Secretariat"
What does IOS mean?
IOS as abbreviation means "International Operative Secretariat"
