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NPF abbr.
abbr.	National Park Foundation; National Partitions FAQ; National Postal Forum; No Problem Found (Yakov); Naval Powder Factory
abbr., avia.	no photography/filming
abbr., comp., net., IT	Network Processing Forum
abbr., el.	network pulse forming; Newtonian potential function; NLS predictive filtering
abbr., el., scient.	Normal Power Factor
abbr., food.ind.	Non- Perishable Food
abbr., med.	National Pain Foundation; National Parkinson Foundation; National Psoriasis Foundation; National Paraplegie Foundation
abbr., mil., avia.	naval parachute facility
abbr., railw.	Northern Pacific Railway
abbr., sec.sys., IT	Norton Personal Firewall
abbr., sport.	National Professional Fastpitch softball league
abbr., st.exch.	Nuveen Premier Municipal Income Fund
abbr., tech.	Nominal Protection Factor (номинальный коэффициент защиты Гевар)
energ.ind.	neutrons per fission; nuclear peaking factor
mil.	nuclear power facility
npf abbr.
abbr.	not provided for
genet.	no plasmodium formation (dimock)
npf. abbr.
abbr., econ.	not provided for