CN208330300U - 一种无需载荷传感器实现自动调参的抽油机自控设备 - Google Patents
一种无需载荷传感器实现自动调参的抽油机自控设备 Download PDFInfo
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CN108868703A (zh) * | 2018-06-27 | 2018-11-23 | 秦皇岛润麒自控设备有限公司 | 一种无需载荷传感器实现自动调参的抽油机自控设备 |
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CN108868703A (zh) * | 2018-06-27 | 2018-11-23 | 秦皇岛润麒自控设备有限公司 | 一种无需载荷传感器实现自动调参的抽油机自控设备 |
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Address after: 066004 building 19, shuguxiangyuan, No. 4, Longhai Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee after: Qinhuangdao Meicheng runqi automatic control equipment Co.,Ltd. Address before: 066004 4th floor, Zone E, building 16, high tech enterprise entrepreneurship service center, No. 1 Yanghe Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee before: QINHUANGDAO RUNQI AUTOMATIC CONTROL EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20230425 Address after: No.5 Leshan Road, Economic and Technological Development Zone, Qinhuangdao City, Hebei Province, 066004 Patentee after: Qinhuangdao Meicheng Low Carbon Industry Development Co.,Ltd. Address before: 066004 building 19, shuguxiangyuan, No. 4, Longhai Road, Qinhuangdao Economic and Technological Development Zone, Hebei Province Patentee before: Qinhuangdao Meicheng runqi automatic control equipment Co.,Ltd. |