GB/T 2893.4-2013 Translated English of Chinese Standard. (GBT2893.4-2013): Graphical symbols -- Safety colours and safety signs -- Part 4: Colorimetric and photometric properties of safety sign materials

Sampul Depan, 6 Jun 2020 - 34 halaman
This Part of GB/T 2893 specifies the relevant requirements and test methods for the colorimetric and photometric attributes of the colors of safety signs, which are used in workplaces and public places. It provides colorimetric and photometric specifications, for the safety colors and contrast colors, which are specified in GB/T 2893.1-2013.

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Test methods
Appendix B Normative Classification of light emission colors from phosphorescent
Appendix E Informative Examples of safety colors and contrast colors for object

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