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School Sign:第一单位
Disigner of the Invention:马李洋,qixuyao,王德明,douguolan
Type of Patent:国内
State of Patent:专利授权
Application Number:201810382839.4
Number of Inventors:5
Service Invention or Not:no
Application Date:2018-04-25
Authorization Date:2020-10-16
First Author:xinhaihui