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School Sign:第一单位
Disigner of the Invention:liubing,韩兆宇,wangzhongqiu
Type of Patent:国内
State of Patent:专利授权
Application Number:201710390409.2
Number of Inventors:4
Service Invention or Not:no
Application Date:2017-05-27
Authorization Date:2020-07-17
First Author:zhouyong