Weiqi Dai

·Patents

Current position: 英文主页 > Scientific Research > Patents
一种基于区块链的营销标签交易方法及系统,专利申请号201910344391.1
Release time:2020-05-02  Hits:

Application Date: 2020-05-02

Publication Date: 2020-05-02

Authorization Date: 2020-05-02