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