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:ZL201310631480.7
Authorization number:ZL201310631480.7
Service Invention or Not:no
Application Date:2013-12-02
Publication Date:2017-12-12
Authorization Date:2017-12-12
Address: No.11 Changyu Street, Fangshan District, Beijing
Post Code:102488
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