Abstract
https://www.google.com/patents/US7822223
Original language | English (US) |
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State | Published - Jul 2018 |
Keywords
- Patent Issued
Yun-Qing Shi (Inventor), ChunHua Chen (Inventor)
Research output: Innovation › Patent
https://www.google.com/patents/US7822223
Original language | English (US) |
---|---|
State | Published - Jul 2018 |