CN203641763U - 压力钢管灌浆孔完全阻水密封装置 - Google Patents
压力钢管灌浆孔完全阻水密封装置 Download PDFInfo
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- CN203641763U CN203641763U CN201420022797.0U CN201420022797U CN203641763U CN 203641763 U CN203641763 U CN 203641763U CN 201420022797 U CN201420022797 U CN 201420022797U CN 203641763 U CN203641763 U CN 203641763U
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CN201420022797.0U CN203641763U (zh) | 2014-01-15 | 2014-01-15 | 压力钢管灌浆孔完全阻水密封装置 |
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Cited By (1)
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CN104372775A (zh) * | 2014-12-05 | 2015-02-25 | 国家电网公司 | 抽水蓄能电站压力钢管灌浆孔封堵焊方法及封堵焊结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104372775A (zh) * | 2014-12-05 | 2015-02-25 | 国家电网公司 | 抽水蓄能电站压力钢管灌浆孔封堵焊方法及封堵焊结构 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: GEZHOUBA MACHINERY INDUSTRY CO., LTD. Free format text: FORMER OWNER: GEZHOUBA GROUP MACHINERY + SHIP CO., LTD. OF CHINA Effective date: 20150601 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150601 Address after: 18 No. 443007 Hubei city of Yichang province located in Xiaoting District Road Patentee after: Ge Zhou Ba mechanical industry Co., Ltd Address before: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee before: Machinery & Ship Co., Ltd., China Gezhouba Group |
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TR01 | Transfer of patent right |
Effective date of registration: 20171228 Address after: 18 No. 443007 Hubei city in Yichang province Xiao Ting Road Patentee after: Machinery & Ship Co., Ltd., China Gezhouba Group Address before: 18 No. 443007 Hubei city of Yichang province located in Xiaoting District Road Patentee before: Ge Zhou Ba mechanical industry 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: 20140611 Termination date: 20210115 |
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CF01 | Termination of patent right due to non-payment of annual fee |