CN205558824U - 一种不脱扣的碳纤维抽油杆 - Google Patents
一种不脱扣的碳纤维抽油杆 Download PDFInfo
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- CN205558824U CN205558824U CN201620387861.4U CN201620387861U CN205558824U CN 205558824 U CN205558824 U CN 205558824U CN 201620387861 U CN201620387861 U CN 201620387861U CN 205558824 U CN205558824 U CN 205558824U
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CN201620387861.4U CN205558824U (zh) | 2016-05-03 | 2016-05-03 | 一种不脱扣的碳纤维抽油杆 |
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CN201620387861.4U CN205558824U (zh) | 2016-05-03 | 2016-05-03 | 一种不脱扣的碳纤维抽油杆 |
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CN205558824U true CN205558824U (zh) | 2016-09-07 |
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CN201620387861.4U Active CN205558824U (zh) | 2016-05-03 | 2016-05-03 | 一种不脱扣的碳纤维抽油杆 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170517 Address after: Heilongjiang province Daqing City Honggang District 163000 Qing Nan Industrial Park Patentee after: Daqing Xin Feng Petroleum Technology Co., Ltd. Address before: 163000 Heilongjiang city of Daqing Province Light Industry Longfeng District Metro Patentee before: Daqing Hua Yu petroleum machinery Manufacturing Co., Ltd |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191219 Address after: Room 510, No. 1 Kaiyuan Street, Daqing Economic and Technological Development Zone, Jeanhu Road District, Heilongjiang Province Patentee after: Sine Technology Co., Ltd. Address before: Heilongjiang province Daqing City Honggang District 163000 Qing Nan Industrial Park Patentee before: Daqing Xin Feng Petroleum Technology Co., Ltd. |