What does gnb stand for?
gnb stands for "Gaz Non-Blowback"
How to abbreviate "Gaz Non-Blowback"?
"Gaz Non-Blowback" can be abbreviated as gnb
What is the meaning of gnb abbreviation?
The meaning of gnb abbreviation is "Gaz Non-Blowback"
What does gnb mean?
gnb as abbreviation means "Gaz Non-Blowback"
