- Penseco Financial Services Corporation (Business » NASDAQ Symbols)
Abbreviations dictionary. 2012.
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PFNS — abbr. PENSECO FNCL SVC CORP NASDAQ … Dictionary of abbreviations
Pulse forming network — A Pulse Forming Network (PFN) accumulates electrical energy over a comparatively long time, then releases the stored energy in the form of a relatively square pulse of comparatively short duration for various pulsed power applications. In… … Wikipedia