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| International Standard Category: Graphical symbols in general |
GB/T 20501.4-2018 Public information guidance systems—Design principles and requirements for guidance elements—Part 4: Street guidance map
公共信息导向系统 导向要素的设计原则与要求 第4部分：街区导向图 ;
| Category No.: | 01.080.01 | Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2018-03-15 |
| Implemented Date: | 2018-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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