| item | description | category | filter | more on... |
| HSR | Hamilton Street Railway | Regional/Railroads |
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| HSR | Hardware Status Register | Governmental/NASA |
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| HSR | HI Shear Technology Corporation | Business/General |
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| HSR | Hidden Surface Removal | IT/Hardware |
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| HSR | Hierarchical Scene graph Renderer | IT/Software |
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| HSR | High Speed Rail | Other/Transportation |
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| HSR | High Speed Research | Edu./Universities |
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| HSR | Holland Sleep Research | Edu./Universities |
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| HSR | HomeStar Runner | Misc/Hobbies |
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