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高广军

Patents

一种列车用受电弓结构

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Type of Patent:Invent

State of Patent:Authorized patents

Application Number:CN202111626146.3

Authorization number:CN114347794B

Service Invention or Not:no

Application Date:2021-12-28

Authorization Date:2024-06-20

Application Date:2021-12-28

Authorization Date:2024-06-20