| item | description | category | filter | more on... |
| USRD | Underwater Science, Research & Development, Inc. | Edu./Ocean Science |
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| USRD | Underwater Science, Research, and Development, Inc. | Business/Firms |
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| USRD | Underwater Sound Reference Division, Naval Undersea Warfare Center | Governmental/Military |
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| USRD | Underwater Sound Reference Division, Naval Undersea Warfare Center | Edu./Ocean Science |
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| USRD | Universal Sensor Remoting Device | Edu./Electronics |
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| USRD | Upper Snake River District | Other/States-Local |
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