What does gb stand for?
gb stands for "Guojio Biaozhun"
How to abbreviate "Guojio Biaozhun"?
"Guojio Biaozhun" can be abbreviated as gb
What is the meaning of gb abbreviation?
The meaning of gb abbreviation is "Guojio Biaozhun"
What does gb mean?
gb as abbreviation means "Guojio Biaozhun"
