CN205189783U - 随升式钻机管线槽快速起升装置 - Google Patents
随升式钻机管线槽快速起升装置 Download PDFInfo
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- CN205189783U CN205189783U CN201520993414.9U CN201520993414U CN205189783U CN 205189783 U CN205189783 U CN 205189783U CN 201520993414 U CN201520993414 U CN 201520993414U CN 205189783 U CN205189783 U CN 205189783U
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CN201520993414.9U CN205189783U (zh) | 2015-12-04 | 2015-12-04 | 随升式钻机管线槽快速起升装置 |
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CN201520993414.9U CN205189783U (zh) | 2015-12-04 | 2015-12-04 | 随升式钻机管线槽快速起升装置 |
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CN205189783U true CN205189783U (zh) | 2016-04-27 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161009 Address after: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee after: Lanzhou LS Petroleum Equipment Engineering Co., Ltd. Address before: 730050 Gansu province Lanzhou city Lanzhou District Kunlun Road West No. 516 Patentee before: Lanzhou Lan Shi Group Co.,Ltd |
|
CP01 | Change in the name or title of a patent holder |
Address after: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee after: Lanzhou Lanshi petroleum equipment engineering Limited by Share Ltd Address before: 730314, No. 508 west section of the Yellow River Road, Lanzhou New District, Gansu, Lanzhou Patentee before: Lanzhou LS Petroleum Equipment Engineering Co., Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20191204 |
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CF01 | Termination of patent right due to non-payment of annual fee |