CN204827312U - 一种石油井下小井眼胎体平底磨鞋 - Google Patents
一种石油井下小井眼胎体平底磨鞋 Download PDFInfo
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107475712A (zh) * | 2017-08-08 | 2017-12-15 | 肥西县通力机械有限公司 | 一种耐高温汽车覆盖件冲压模具的加工方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107475712A (zh) * | 2017-08-08 | 2017-12-15 | 肥西县通力机械有限公司 | 一种耐高温汽车覆盖件冲压模具的加工方法 |
CN107475712B (zh) * | 2017-08-08 | 2019-06-07 | 寿光市煜盛汽车配件有限公司 | 一种耐高温汽车覆盖件冲压模具的加工方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Xianhong Inventor after: Sheng Xianping Inventor after: Wang Yuanhong Inventor after: Xiang Zuofu Inventor after: Chen Xingdong Inventor before: Liu Xianhong Inventor before: Guo Hao Inventor before: Qin Tingwei Inventor before: Li Ning |
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COR | Change of bibliographic data | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170627 |