| item | description | category | filter | more on... |
| IBU | International Biathlon Union | Radio Stations |
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| IBU | International Bittering Unit | Misc/Unit Measures |
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| IBU | International Bitterness Units | Misc/Unit Measures |
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| IBU | International Bujutsu University | Edu./Universities |
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| IBU | Internet Business Unit | Uncategorized |
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