File:Вкладыши беруши.jpg
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DescriptionВкладыши беруши.jpg |
Русский: Диаграмма показывает низкую эффективность противошумных вкладышей при их использовании на практике - по сравнению с лабораторной эффективностью. Приводятся сведения о вкладышах семи различных конструкций. |
Date | |
Source | Preventing Occupational Hearing Loss - A Practical Guide. (From p. No. 40) DHHS (NIOSH) Publication Number 96-110 |
Author | John R. Franks, Mark R. Stephenson, and Carol J. Merry |
Public domainPublic domainfalsefalse |
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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current | 13:10, 3 May 2014 | 1,212 × 772 (187 KB) | AlexChirkin (talk | contribs) | User created page with UploadWizard |
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