发明专利:一种数字化课堂教学系统, 专利授权号:CN201010260121,授权公告号:CN101958058B, 授权日:2012-05-02
Release Time:2026-06-15
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- Title:
- 发明专利:一种数字化课堂教学系统, 专利授权号:CN201010260121,授权公告号:CN101958058B, 授权日:2012-05-02
- Service Invention or Not:
- No
- Date:
- 2026-06-15



