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Disigner of the Invention:郭凯,周红平,沈飞,尹超逸
Type of Patent:Utility models
State of Patent:Authorized patents
Application Number:CN211957922U
Authorization number:ZL202021136700.0
Service Invention or Not:no
Application Date:2020-06-18
Authorization Date:2020-11-17
First Author:郭忠义