张勃   

Researcher
Supervisor of Doctorate Candidates

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Language：English

Patents

Title:一种刷式与篦齿复合封严结构

Hits:

Patent description:张勃，张纳如，吉洪湖，ZL201711062905.1

Type of Patent:Invent

State of Patent:Authorized patents

Service Invention or Not:no

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