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