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School Sign:中南大学

Type of Patent:Utility models

State of Patent:Authorized patents

Authorization number:ZL201821256713.4

Number of Inventors:7

Service Invention or Not:no

Application Date:2018-08-06

Publication Date:2019-05-31

Authorization Date:2019-05-31

Publication Date:2019-05-31

Application Date:2018-08-06

Authorization Date:2019-05-31