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一种抽油机用开关磁阻驱动系统的控制方法

Release Time:2019-10-19  Hits:

First Author: 孙建忠

Disigner of the Invention: 王晨,钟启濠,王娇龙,白凤仙,温洪彬

Application Number: CN201510939118.5

Authorization Date: 2015-12-15

Authorization Number: CN105429554A

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