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ISO 22578-2:2024

Graphical symbols — Safety colours and safety signs — Part 2: Measurement of photopic luminance of phosphorescent components used in a natural disaster safety way guidance system

General information

Withdrawn from 21.10.2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
21.10.2025
Main
27.02.2024
Main
This document specifies the laboratory test method for the measurement of photopic luminance of phosphorescent materials classified in accordance with ISO 22578.

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