张勃   

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Supervisor of Doctorate Candidates

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Language：English

Patents

Title:一种蜂窝-篦齿封严结构

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Note:窦媛媛，张勃，洪权，，CN202010180379.4

Type of Patent:Invent

State of Patent:Authorized patents

Service Invention or Not:no

Disigner of the Invention:窦媛媛，张勃，洪权，吉洪湖

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