File:Обеспыливание 2012 обложка.jpg

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Русский: Обложка учебного пособия по вентиляции и обеспыливанию при добыче минеральных полезных ископаемых
Date
Source Dust Control Handbook for Industrial Minerals Mining and Processing
Author https://www.cdc.gov/niosh/mining/works/coversheet1765.html

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Public domain
This image is a work of the Centers for Disease Control and Prevention, part of 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/TimeThumbnailDimensionsUserComment
current12:52, 6 March 2015Thumbnail for version as of 12:52, 6 March 20152,431 × 3,151 (1.29 MB)AlexChirkin (talk | contribs)User created page with UploadWizard

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