What does OP CK stand for?
OP CK stands for "Operational Check"
How to abbreviate "Operational Check"?
"Operational Check" can be abbreviated as OP CK
What is the meaning of OP CK abbreviation?
The meaning of OP CK abbreviation is "Operational Check"
What does OP CK mean?
OP CK as abbreviation means "Operational Check"
