CN203209665U - 用于制造高速机车用铝合金传动空心轴的导向定位装置 - Google Patents
用于制造高速机车用铝合金传动空心轴的导向定位装置 Download PDFInfo
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CN114273640A (zh) * | 2021-11-16 | 2022-04-05 | 周红心 | 一种车厢厢体的环形挤压装置和方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114273640A (zh) * | 2021-11-16 | 2022-04-05 | 周红心 | 一种车厢厢体的环形挤压装置和方法 |
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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: HUNAN UNIVERSITY OF TECHNOLOGY Free format text: FORMER OWNER: HUNAN XINCAI ALLOY CO., LTD. Effective date: 20140109 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410000 CHANGSHA, HUNAN PROVINCE TO: 412000 ZHUZHOU, HUNAN PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20140109 Address after: 412000 Hunan University of Technology, Tianyuan District, Hunan, Zhuzhou Patentee after: Hunan University of Technology Address before: Quan Lu and Lu Lu in Hunan province high tech Development Zone 410000 Changsha Pine Road interchange of agricultural extension comprehensive building 14 building 14-H059 room Patentee before: Hunan Xincai Alloy Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20150313 |
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EXPY | Termination of patent right or utility model |