FINGERPRINT POSITIONING METHOD AND SYSTEM IN SMART CLASSROOM(美国发明专利,专利号:US10884112B2,公开日:2021/01/05),2021年 ;
Release Time:2026-06-15
Hits:
- Title:
- FINGERPRINT POSITIONING METHOD AND SYSTEM IN SMART CLASSROOM(美国发明专利,专利号:US10884112B2,公开日:2021/01/05),2021年 ;
- Service Invention or Not:
- No
- Date:
- 2026-06-15



