File:Фиг. 2-7. Четвертьмаска..jpg
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| Description |
Русский: Фиг. 2-7. Типичная четвертьмаска |
| Date | |
| Source | Национальный институт охраны труда (NIOSH) США (перевод) / translation of a document A NIOSH Guide to Industrial Respiratory Protection. |
| Author | Нэнси Боллинджер, Роберт Шюц и др. (перевод) (Nancy Bollinger and Robert Schutz) |
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:20, 18 March 2014 | | 2,166 × 2,391 (443 KB) | AlexChirkin (talk | contribs) | User created page with UploadWizard |
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