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What does OSR stand for?

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Rank Abbr.Meaning
OSROffice of State Revenue (Australia)
OSROilseed Rape
OSROEM Service Release
OSROrchestre de La Suisse Romande
OSROntario Student Record
OSROutside Sales Representative
OSROffice of School Readiness (various locales)
OSROpen Systems Resources, Inc (Amherst, NH)
OSROil Spill Response
OSROperational Sex Ratio (biology)
OSROperating Systems Review (ACM)
OSROversampling Ratio
OSROhio State Reformatory
OSROffice of Scientific Research
OSROld San Antonio Road
OSROverseas Service Ribbon
OSROptical Solar Reflector
OSROpen Space Reservation (Indian real estate)
OSROrganization Systems Renewal
OSROptical Scanning Recognition
OSROff Side Rear (automotive engineering)
OSROntario Southland Railway, Inc.
OSROrganization for SETV Research
OSROptical Service Router (Cisco Systems)
OSROperational Safety Requirement
OSROperational Safety Review
OSROn-Site Representative
OSROptimized Set Reduction
OSROxidative Stress Relief
OSROne-Shot Rising
OSROffice of Systems Requirements
OSROccupational Survey Report
OSROstrava Mosnov Czech Republic (airport code)
OSROrganisation Syndicale Représentative
OSROfficial Site Register
OSROckanickon Scout Reservation (Pennsylvania Boy Scout Camp)
OSROptical Subrack
OSROnteora Scout Reservation (Livingston Manor, NY)
OSROn-Scene Representative
OSROver Subscription Ratio
OSROptimized Sniper Rifle (LaRue Tactical)
OSROne Step Routing
OSROfficer Selection Report
OSROffice of Standards and Regulation
OSROptimum Sonar Routing
OSROutlet Sales Report
OSROscillator Statistics Request
OSROrder of the Silver Ribbon
OSROperational Support Requirement
OSROriginal Sound Record Co. (record label)
OSROut of Service Repair Tag (mining maintenance industry for sending repairable items off site and keep)
OSROverall Stripping Ratio (mining)
OSROnward Supply Relief (value added tax)
OSROpen Source Religion
OSROntario Stroke Registry (Canada)
OSROcean State Republican (Rhode Island)
OSROffshore Special Regulations (International Sailing Federation)

Note: We have 137 other definitions for OSR in our Acronym Attic