What does NGL stand for?
NGL stands for "National Gemological Laboratories"
How to abbreviate "National Gemological Laboratories"?
"National Gemological Laboratories" can be abbreviated as NGL
What is the meaning of NGL abbreviation?
The meaning of NGL abbreviation is "National Gemological Laboratories"
What does NGL mean?
NGL as abbreviation means "National Gemological Laboratories"
