CN

Changming Zheng

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School/Department:电气工程学院

Alma Mater:中国石油大学（华东）

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Patents

Current position: Home > Scientific Research > Patents

抽油机变频节能监控系统的一种功能扩展和通讯控制结构

Release time:2021-11-16 Hits:

Service Invention or Not:no

Application Date:2014-11-12

Pre One:一种表贴式永磁同步电机无位置传感器转速估计切换方法

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