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Disigner of the Invention:姜文; 俞亚庆; 陈帅; 洪涛; 龚书喜

Type of Patent:Invent

State of Patent:Authorized patents

Application Number:CN201711415750.5

Authorization number:CN108281794B

Number of Inventors:5

Service Invention or Not:no

Application Date:2017-12-25

Authorization Date:2019-10-25