What does USGL stand for?
USGL stands for "United States Gemological Laboratory"
How to abbreviate "United States Gemological Laboratory"?
"United States Gemological Laboratory" can be abbreviated as USGL
What is the meaning of USGL abbreviation?
The meaning of USGL abbreviation is "United States Gemological Laboratory"
What does USGL mean?
USGL as abbreviation means "United States Gemological Laboratory"
