CN202971215U - 一种电力机车变压器用管式油泵 - Google Patents
一种电力机车变压器用管式油泵 Download PDFInfo
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- CN202971215U CN202971215U CN 201220705589 CN201220705589U CN202971215U CN 202971215 U CN202971215 U CN 202971215U CN 201220705589 CN201220705589 CN 201220705589 CN 201220705589 U CN201220705589 U CN 201220705589U CN 202971215 U CN202971215 U CN 202971215U
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- transformer
- oil pump
- pump
- oil
- electric locomotive
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CN 201220705589 CN202971215U (zh) | 2012-12-19 | 2012-12-19 | 一种电力机车变压器用管式油泵 |
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CN 201220705589 CN202971215U (zh) | 2012-12-19 | 2012-12-19 | 一种电力机车变压器用管式油泵 |
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CN202971215U true CN202971215U (zh) | 2013-06-05 |
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CN 201220705589 Expired - Fee Related CN202971215U (zh) | 2012-12-19 | 2012-12-19 | 一种电力机车变压器用管式油泵 |
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CN (1) | CN202971215U (zh) |
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2012
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 412001 Sun Jiachong 155, Tianxin Village, Shifeng District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Rongda electric Limited by Share Ltd Address before: 412001 Sun Jiachong 155, Tianxin Village, Shifeng District, Zhuzhou City, Hunan Province Patentee before: Zhuzhou Rongda Railway Electromechanical Co., Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 412001 Xinma Power Innovation Park, No. 899 Xianyuehuan Road, Tianyuan District, Zhuzhou City, Hunan Province, Phase 3 and Phase 1, D2 Building 102, 202 and 302 Patentee after: Zhuzhou Rongda electric Limited by Share Ltd Address before: 412001 Sun Jiachong 155, Tianxin Village, Shifeng District, Zhuzhou City, Hunan Province Patentee before: Zhuzhou Rongda electric Limited by Share Ltd |
|
CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20201219 |
|
CF01 | Termination of patent right due to non-payment of annual fee |