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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31523.3-2020 |
Safety information identification systems—Part 3: Design principles and requirements 安全信息识别系统 第3部分：设计原则与要求 |
China National Standards Safety information identification |
 English PDF |
| GB/T 31523.2-2015 |
Safety information identification systems—Part 2: Setting principles and requirements 安全信息识别系统 第2部分：设置原则与要求 |
China National Standards Safety information identification |
English PDF |
| GB/T 31523.1-2015 |
Safety information identification systems—Part 1: Signs 安全信息识别系统 第1部分：标志 |
China National Standards Safety information identification |
English PDF |
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