What does VTSO stand for?
VTSO stands for "Vessel Traffic Service Operator"
How to abbreviate "Vessel Traffic Service Operator"?
"Vessel Traffic Service Operator" can be abbreviated as VTSO
What is the meaning of VTSO abbreviation?
The meaning of VTSO abbreviation is "Vessel Traffic Service Operator"
What does VTSO mean?
VTSO as abbreviation means "Vessel Traffic Service Operator"
