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| Professional Standard Category: Professional Standard - Education |
JY/T 0644-2022 Basic classification codes of digital education resources
数字教育资源基础分类代码 ;
| Category No.: | JY | Valid Status: | valid |
| Issued Organization: | Ministry of Education | Issued Date: | 2022-11-30 |
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | Superseded Date: |
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