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呼咏
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Education Level:Doctor graduate

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一种搅拌摩擦焊接制备大尺寸梯度功能材料的方法

Date:2022-01-16 Hits:

Disigner of the Invention:吴彤

Type of Patent:发明专利

State of Patent:已授权

Authorization number:ZL201810408364.1

Service Invention or Not:no

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