CN203835849U - 石油顶驱液压闭式系统扭矩控制装置 - Google Patents
石油顶驱液压闭式系统扭矩控制装置 Download PDFInfo
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- CN203835849U CN203835849U CN201420281042.2U CN201420281042U CN203835849U CN 203835849 U CN203835849 U CN 203835849U CN 201420281042 U CN201420281042 U CN 201420281042U CN 203835849 U CN203835849 U CN 203835849U
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CN201420281042.2U CN203835849U (zh) | 2014-05-29 | 2014-05-29 | 石油顶驱液压闭式系统扭矩控制装置 |
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CN201420281042.2U CN203835849U (zh) | 2014-05-29 | 2014-05-29 | 石油顶驱液压闭式系统扭矩控制装置 |
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CN108757608A (zh) * | 2018-08-20 | 2018-11-06 | 四川宏华石油设备有限公司 | 一种顶驱液压控制系统 |
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CN108757608A (zh) * | 2018-08-20 | 2018-11-06 | 四川宏华石油设备有限公司 | 一种顶驱液压控制系统 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West Sea Park No. 998 Building No. 18 409-412 Patentee after: HANGZHOU AILI LINGFU TECHNOLOGY CO.,LTD. Address before: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West Sea Park No. 998 Building No. 18 409-412 Patentee before: HY LINGFU TECH (HANGZHOU) Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 311121 room 2101-02, building 1, Aili center, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Aili Intelligent Control Technology Co.,Ltd. Address before: 311121 409-412, building 18, Haichuang Park, No. 998, Wenyi West Road, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU AILI LINGFU TECHNOLOGY CO.,LTD. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |