What does GRTOC stand for?
GRTOC stands for "General Radio Telephone Operators Certificate"
How to abbreviate "General Radio Telephone Operators Certificate"?
"General Radio Telephone Operators Certificate" can be abbreviated as GRTOC
What is the meaning of GRTOC abbreviation?
The meaning of GRTOC abbreviation is "General Radio Telephone Operators Certificate"
What does GRTOC mean?
GRTOC as abbreviation means "General Radio Telephone Operators Certificate"
