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OSR

From Wikipedia, the free encyclopedia

OSR may refer to:

Science and technology

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Transportation

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Other uses

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See also

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  • OSR1, a gene
  • OSR2 (gene)
  • BDTH2 or OSR#1, an organosulfur compound used as a chelation agent
  • OSRIC, or Old School Reference and Index Compilation, a Dungeons & Dragons retro-clone