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Inventor
LEE HOWING
CN
2 patents
Patents
2 patents
US11042857B2
Jun 22, 2021
Offline transaction implementation method and apparatus
ADVANCED NEW TECHNOLOGIES CO LTD
4 citations
66
US11449848B2
Sep 20, 2022
Offline transaction implementation method and apparatus
ADVANCED NEW TECHNOLOGIES CO LTD
0 citations
56