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| International Standard Category: Graphical symbols in general |
GB/T 23809-2009 Safety way guidance systems—Setting principles and requirements
应急导向系统 设置原则与要求;
| Category No.: | 01.080.01 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2009-5-6 |
| Implemented Date: | 2009-11-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 23809.1-2020 Emergency guidance systems—Setting principles and requirements—Part 1: Inside buildings |
Superseded Date: | 2020-10-1 |
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