Affilication of Author(s):计算机教研部
Patent Coverage:国内
Disigner of the Invention:周凤敏,杨松,张洪喆
Type of Patent:发明
State of Patent:撤销专利
Application Number:ZL 2018 3 0055963.0
Authorization number:ZL 2018 3 0055963.0
Service Invention or Not:no
Application Date:2018-02-06
Publication Date:2018-05-17
Authorization Date:2018-05-18
Address: No.11 Changyu Street, Fangshan District, Beijing
Post Code:102488
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