What does NPN stand for?
NPN stands for "Negative-Positive-Negative"
How to abbreviate "Negative-Positive-Negative"?
"Negative-Positive-Negative" can be abbreviated as NPN
What is the meaning of NPN abbreviation?
The meaning of NPN abbreviation is "Negative-Positive-Negative"
What does NPN mean?
NPN as abbreviation means "Negative-Positive-Negative"
