Affilication of Author(s):计算机教研部
Patent Coverage:国内
Disigner of the Invention:杨松,周凤敏,张洪喆
Type of Patent:实用新型
State of Patent:撤销专利
Application Number:ZL 2017 2 1726006.2
Authorization number:ZL 2017 2 1726006.2
Service Invention or Not:no
Application Date:2017-12-13
Publication Date:2018-03-01
Authorization Date:2018-06-29
Address: No.11 Changyu Street, Fangshan District, Beijing
Post Code:102488
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