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| International Standard Category: Graphical symbols in general |
GB/T 20501.1-2013 Public information guidance systems—Design principles and requirements for guidance elements—Part 1:General
公共信息导向系统 导向要素的设计原则与要求 第1部分：总则;
| Category No.: | 01.080.01 | Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2013-7-19 |
| Implemented Date: | 2013-11-30 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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