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non-protein nitrogen
agric., chem.
Nicht-Protein-Stickstoff
food.ind., chem.
Nichteiweisstickstoff
m
Non Protein Nitrogen
med.
Reststickstoff
m
English thesaurus
Non Protein Nitrogen
abbr.
NPN
Non-Protein Nitrogen
agric., abbr.
NPN
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