CN203034427U - 钢固位器、减压井或测压井 - Google Patents
钢固位器、减压井或测压井 Download PDFInfo
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- CN203034427U CN203034427U CN 201220643356 CN201220643356U CN203034427U CN 203034427 U CN203034427 U CN 203034427U CN 201220643356 CN201220643356 CN 201220643356 CN 201220643356 U CN201220643356 U CN 201220643356U CN 203034427 U CN203034427 U CN 203034427U
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CN 201220643356 CN203034427U (zh) | 2012-11-29 | 2012-11-29 | 钢固位器、减压井或测压井 |
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CN 201220643356 CN203034427U (zh) | 2012-11-29 | 2012-11-29 | 钢固位器、减压井或测压井 |
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CN203034427U true CN203034427U (zh) | 2013-07-03 |
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CN 201220643356 Expired - Fee Related CN203034427U (zh) | 2012-11-29 | 2012-11-29 | 钢固位器、减压井或测压井 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104452664A (zh) * | 2014-10-27 | 2015-03-25 | 广东省源天工程公司 | 排水减压井修复工艺 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104452664A (zh) * | 2014-10-27 | 2015-03-25 | 广东省源天工程公司 | 排水减压井修复工艺 |
CN104452664B (zh) * | 2014-10-27 | 2016-08-17 | 广东省源天工程有限公司 | 排水减压井修复工艺 |
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C14 | Grant of patent or utility model | ||
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C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Jun Inventor after: Lai Guanjun Inventor after: Zhong Hanjin Inventor after: Liang Yongqi Inventor after: Yang Shuangquan Inventor after: Tang Wuxing Inventor after: Meng Yuhai Inventor after: Feng Xing Inventor after: Zhan Zhiwei Inventor after: Wu Haiyan Inventor after: Yang Bingtao Inventor before: Yang Jun Inventor before: Liang Yongqi Inventor before: Yang Shuangquan Inventor before: Tang Wuxing Inventor before: Meng Yuhai Inventor before: Feng Xing Inventor before: Zhan Zhiwei Inventor before: Wu Haiyan Inventor before: Yang Bingtao |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG JUN LIANG YONGQI YANG SHUANGQUAN TANG WUXING MENG YUHAI FENG XING ZHAN ZHIWEI WU HAIYAN YANG BINGTAO TO: YANG JUN LIANG YONGQI YANG SHUANGQUAN TANG WUXING MENG YUHAI FENG XING ZHAN ZHIWEI WU HAIYAN YANG BINGTAO LAI GUANJUN ZHONG HANJIN |
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C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 511340 Guangdong city of Guangzhou province Zengcheng city Xintang Town, New South Road No. 219 Patentee after: Yuan Tian Engineering Co., Ltd of Guangdong Province Address before: 511340 Guangdong city of Guangzhou province Zengcheng city Xintang Town, New South Road No. 219 Patentee before: Guangdong Yuantian Engineering Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20201129 |
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CF01 | Termination of patent right due to non-payment of annual fee |