What does CSOI stand for?
CSOI stands for "Central Station Operator Instructor"
How to abbreviate "Central Station Operator Instructor"?
"Central Station Operator Instructor" can be abbreviated as CSOI
What is the meaning of CSOI abbreviation?
The meaning of CSOI abbreviation is "Central Station Operator Instructor"
What does CSOI mean?
CSOI as abbreviation means "Central Station Operator Instructor"
