What is it? How to open an NNB file?

NNB UPCYCLING SYSTEM'18 ｎｎｂ Get detailed info of Nimblak Railway Station with station code, schedule, arrival and departure timing on RailYatri Check your train routes from ｎｎｂ NNB Nutrition is an innovative technological enterprise dedicated to research, development, production and sales of innovative nutrient raw materials

ｎｎｂ , -NNB is estimated as × A single is enough to maintain the distance between two Q-nodes because is shorter than If = , -NNB is estimated as × 2 ×