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| International Standard Category: Graphical symbols in general |
GB/T 23809.3-2020 Emergency guidance system—Setting principles and requirements—Part 3: Personnel shelter
应急导向系统 设置原则与要求 第3部分：人员掩蔽工程 ;
| Category No.: | 01.080.01 | Valid Status: | valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2020-03-31 |
| Implemented Date: | 2020-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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