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Disigner of the Invention:姜文; 席延; 张浩宇; 洪涛; 龚书喜

Type of Patent:Invent

State of Patent:Authorized patents

Application Number:CN202010829386.2

Authorization number:CN111900546B

Number of Inventors:5

Service Invention or Not:no

Application Date:2020-08-18

Authorization Date:2021-07-20