What does NGTC stand for?
NGTC stands for "National Gemstone Testing Center"
How to abbreviate "National Gemstone Testing Center"?
"National Gemstone Testing Center" can be abbreviated as NGTC
What is the meaning of NGTC abbreviation?
The meaning of NGTC abbreviation is "National Gemstone Testing Center"
What does NGTC mean?
NGTC as abbreviation means "National Gemstone Testing Center"
