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Summary
| Description |
English: Filter housing using a contiguous series of pre-, HEPA, and charcoal panel filters |
| Date | |
| Source | https://www.cdc.gov/niosh/mining/works/coversheet2046.html |
| Author | John A. Organiscak, Andrew B. Cecala, and Ronald M. Hall / U.S. National Institute for Occupational Safety Health |
Licensing
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This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:57, 3 December 2018 | | 711 × 533 (622 KB) | John P. Sadowski (NIOSH) | User created page with UploadWizard |
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