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Disigner of the Invention:郭凯,周红平,陈蕾
Type of Patent:Invent
State of Patent:Authorized patents
Application Number:CN201910612704.7
Authorization number:ZL201910612704.7
Number of Inventors:4
Service Invention or Not:no
Application Date:2019-07-09
Authorization Date:2020-11-10
First Author:郭忠义