| item | description | category | filter | more on... |
| OSB | Ocean Studies Board | Governmental/US Gov. |
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| OSB | Ocean Studies Board | Edu./Ocean Science |
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| OSB | Officer Selection Board | Governmental/Military |
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| OSB | Offset Spoke Bed | Business/Products |
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| OSB | Oklahoma School for the Blind | Edu./Schools |
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| OSB | Opposition Stolen Bases | Radio Stations |
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| OSB | Option Select Button | IT/General |
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| OSB | Oral Systemic Balance | Medical/Hospitals |
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| OSB | Order of Saint Benedict | Non-Profit Organizations |
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| OSB | Order of St. Benedict | Other/Religion |
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| OSB | Order Some Beer | Misc/Food |
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| OSB | Oriented Stand Board | Governmental/Military |
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| OSB | Oriented Strand Board | Edu./Electronics |
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| OSB | Output | IT/General |
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| OSB | The Other Song Book | Other/Religion |
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