File:Количественная проверка изолирующих свойств QLFT прибором PortaCount Plus.jpg
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DescriptionКоличественная проверка изолирующих свойств QLFT прибором PortaCount Plus.jpg |
Русский: Количественная проверка изолирующих свойств QLFT прибором PortaCount Plus |
Date | |
Source | Презентация OSHA OSHA's Respiratory Protection Standard 29 CFR 1910.134 |
Author | US Occupational Safety & Health Administration |
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Public domainPublic domainfalsefalse |
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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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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