CN201549950U - 石油钻机驱动电动机 - Google Patents
石油钻机驱动电动机 Download PDFInfo
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- CN201549950U CN201549950U CN2009202568521U CN200920256852U CN201549950U CN 201549950 U CN201549950 U CN 201549950U CN 2009202568521 U CN2009202568521 U CN 2009202568521U CN 200920256852 U CN200920256852 U CN 200920256852U CN 201549950 U CN201549950 U CN 201549950U
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CN2009202568521U CN201549950U (zh) | 2009-11-10 | 2009-11-10 | 石油钻机驱动电动机 |
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CN2009202568521U CN201549950U (zh) | 2009-11-10 | 2009-11-10 | 石油钻机驱动电动机 |
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CN201549950U true CN201549950U (zh) | 2010-08-11 |
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CN2009202568521U Expired - Fee Related CN201549950U (zh) | 2009-11-10 | 2009-11-10 | 石油钻机驱动电动机 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122871A (zh) * | 2010-12-18 | 2011-07-13 | 无锡华天电气科技有限公司 | 石油钻机用交流电动机 |
CN102231581A (zh) * | 2011-06-28 | 2011-11-02 | 无锡锡山特种风机有限公司 | 可以提高外转子电机防护等级的结构 |
CN102594000A (zh) * | 2011-11-22 | 2012-07-18 | 永济新时速电机电器有限责任公司 | 一种高防护性能的石油钻井直流电动机 |
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- 2009-11-10 CN CN2009202568521U patent/CN201549950U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102122871A (zh) * | 2010-12-18 | 2011-07-13 | 无锡华天电气科技有限公司 | 石油钻机用交流电动机 |
CN102231581A (zh) * | 2011-06-28 | 2011-11-02 | 无锡锡山特种风机有限公司 | 可以提高外转子电机防护等级的结构 |
CN102594000A (zh) * | 2011-11-22 | 2012-07-18 | 永济新时速电机电器有限责任公司 | 一种高防护性能的石油钻井直流电动机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SEC ELECTRIC MACHINERY CO., LTD. Free format text: FORMER NAME: WUXI HEC ELECTRIC MACHINERY CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 214131 No. 777 East high wave road, Jiangsu, Wuxi Patentee after: SEC Electric Machinery Co., Ltd. Address before: 214131 No. 2, Da Tong Road, Binhu Development Zone, Jiangsu, Wuxi Patentee before: Wuxi HEC Electric Machinery Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20151110 |