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