Affilication of Author(s):计算机教研部
Patent Coverage:国内
Type of Patent:发明
State of Patent:撤销专利
Application Number:ZL 2019 1 0102736.2
Authorization number:ZL 2019 1 0102736.2
Service Invention or Not:no
Application Date:2019-02-01
Publication Date:2021-01-07
Authorization Date:2021-03-19