Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSNS is...

OSNS is

  • Open Systems Network Support

OSNS is also in:

Acronym Definition Searched: OP 2 (OC) WPG CBOT HMAC GOL OEC NMUG NSDA WABC 24010 CR FIPS CMRG ARCSS KBA