CN203297178U - 一种便于维修的钻机顶部驱动集成液压控制装置 - Google Patents
一种便于维修的钻机顶部驱动集成液压控制装置 Download PDFInfo
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- CN203297178U CN203297178U CN2013201789754U CN201320178975U CN203297178U CN 203297178 U CN203297178 U CN 203297178U CN 2013201789754 U CN2013201789754 U CN 2013201789754U CN 201320178975 U CN201320178975 U CN 201320178975U CN 203297178 U CN203297178 U CN 203297178U
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CN2013201789754U CN203297178U (zh) | 2013-04-11 | 2013-04-11 | 一种便于维修的钻机顶部驱动集成液压控制装置 |
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CN2013201789754U CN203297178U (zh) | 2013-04-11 | 2013-04-11 | 一种便于维修的钻机顶部驱动集成液压控制装置 |
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Cited By (1)
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CN106678106A (zh) * | 2017-01-03 | 2017-05-17 | 捷锐企业(上海)有限公司 | 一种集成控制总成 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106678106A (zh) * | 2017-01-03 | 2017-05-17 | 捷锐企业(上海)有限公司 | 一种集成控制总成 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Drilling machine top drive integration hydraulic control device convenient to maintain Effective date of registration: 20160125 Granted publication date: 20131120 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing EHE Electromechanical Device Co., Ltd. Registration number: 2016990000072 |
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Date of cancellation: 20170427 Granted publication date: 20131120 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing EHE Electromechanical Device Co., Ltd. Registration number: 2016990000072 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Drilling machine top drive integration hydraulic control device convenient to maintain Effective date of registration: 20200117 Granted publication date: 20131120 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: Beijing EHE Electromechanical Device Co., Ltd. Registration number: Y2020990000079 |
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CF01 | Termination of patent right due to non-payment of annual fee |
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CF01 | Termination of patent right due to non-payment of annual fee |