File:NIOSH 2-3 Comp 1975.jpg
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| Description |
Русский: Диаграмма распределения уровней звукового давления по частотам для промышленных шумов, которые считались характерными для предприятий США |
| Date | |
| Source |
Fig. 1 in: List of Personal Hearing Protectors and Attenuation Data, DHEW (NIOSH) Publication No. 76-120, NTIS Accession No.: PB 267461, 1975 |
| Author | Patricia Kroes, Roy Fleming, Barry Lempert (National Institute for Occupational Safety and Health) |
National Institute for Occupational Safety and Health, 4676 Columbia Parkway, Cincinnati, Ohio, 45226
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 16:57, 15 August 2023 | | 806 × 586 (194 KB) | AlexChirkin (talk | contribs) | Uploaded a work by Patricia Kroes, Roy Fleming, Barry Lempert (National Institute for Occupational Safety and Health) from Fig. 1 in: List of Personal Hearing Protectors and Attenuation Data, DHEW (NIOSH) Publication No. 76-120, NTIS Accession No.: PB 267461, 1975 with UploadWizard |
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