What does NBK stand for?
NBK stands for "Nihon Benkyo Kai"
How to abbreviate "Nihon Benkyo Kai"?
"Nihon Benkyo Kai" can be abbreviated as NBK
What is the meaning of NBK abbreviation?
The meaning of NBK abbreviation is "Nihon Benkyo Kai"
What does NBK mean?
NBK as abbreviation means "Nihon Benkyo Kai"
