Weiqi Dai

·Patents

Current position: 英文主页 > Scientific Research > Patents
一种基于区块链的访问控制方法和系统,专利号ZL201710540062.5
Release time:2020-05-02  Hits:

Application Date: 2020-05-02

Publication Date: 2020-05-02

Authorization Date: 2020-05-02