What does COS stand for?
COS stands for "Cooporation for Open Systems"
How to abbreviate "Cooporation for Open Systems"?
"Cooporation for Open Systems" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Cooporation for Open Systems"
What does COS mean?
COS as abbreviation means "Cooporation for Open Systems"