File:DHHS (NIOSH) Publication No. 2021-107 Фиг. 6.jpg
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[edit]_Publication_No._2021-107_%D0%A4%D0%B8%D0%B3._6.jpg&action=edit§ion=1){kind=link}
| Description |
Русский: Иллюстрация из технического отчёта NIOSH, работа правительства США, является общественным достоянием (in the public domain). |
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| Source |
Technical Report. Filtering Facepiece Respirators with an Exhalation Valve: Measurements of Filtration Efficiency to Evaluate Their Potential for Source Control https://www.cdc.gov/niosh/docs/2021-107/ |
| Author | Portnoff L, Schall J, Brannen J, Suhon N, Strickland K, Meyers J. |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| current | 15:06, 9 January 2021 | | 1,098 × 664 (189 KB) | AlexChirkin (talk | contribs) | Uploaded a work by Portnoff L, Schall J, Brannen J, Suhon N, Strickland K, Meyers J. from Technical Report. Filtering Facepiece Respirators with an Exhalation Valve: Measurements of Filtration Efficiency to Evaluate Their Potential for Source Control https://www.cdc.gov/niosh/docs/2021-107/ with UploadWizard |
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