CN203756027U - 用于超深井石油钻机的两轴动力输入转盘 - Google Patents
用于超深井石油钻机的两轴动力输入转盘 Download PDFInfo
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- CN203756027U CN203756027U CN201320881730.8U CN201320881730U CN203756027U CN 203756027 U CN203756027 U CN 203756027U CN 201320881730 U CN201320881730 U CN 201320881730U CN 203756027 U CN203756027 U CN 203756027U
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CN201320881730.8U CN203756027U (zh) | 2013-12-31 | 2013-12-31 | 用于超深井石油钻机的两轴动力输入转盘 |
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CN201320881730.8U CN203756027U (zh) | 2013-12-31 | 2013-12-31 | 用于超深井石油钻机的两轴动力输入转盘 |
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CN203756027U true CN203756027U (zh) | 2014-08-06 |
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CN201320881730.8U Expired - Fee Related CN203756027U (zh) | 2013-12-31 | 2013-12-31 | 用于超深井石油钻机的两轴动力输入转盘 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20151124 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: China Petrochemical Group Corp. Patentee before: Drilling Well Technology Institute, Shengli Petroleum Engineering Co., Ltd., SINOPEC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201231 |
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CF01 | Termination of patent right due to non-payment of annual fee |