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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