CN204277755U - 一种消除内孔椭圆的研磨头 - Google Patents
一种消除内孔椭圆的研磨头 Download PDFInfo
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- CN204277755U CN204277755U CN201420729469.4U CN201420729469U CN204277755U CN 204277755 U CN204277755 U CN 204277755U CN 201420729469 U CN201420729469 U CN 201420729469U CN 204277755 U CN204277755 U CN 204277755U
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CN201420729469.4U CN204277755U (zh) | 2014-11-29 | 2014-11-29 | 一种消除内孔椭圆的研磨头 |
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CN201420729469.4U CN204277755U (zh) | 2014-11-29 | 2014-11-29 | 一种消除内孔椭圆的研磨头 |
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CN204277755U true CN204277755U (zh) | 2015-04-22 |
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CN201420729469.4U Expired - Fee Related CN204277755U (zh) | 2014-11-29 | 2014-11-29 | 一种消除内孔椭圆的研磨头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104440532A (zh) * | 2014-11-29 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | 一种消除内孔椭圆的研磨头 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104440532A (zh) * | 2014-11-29 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | 一种消除内孔椭圆的研磨头 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170817 Address after: 330000 Jiangxi province Qingyunpu District of Nanchang City Hongdu Aviation Industry Changnan Industrial Park (new No. 751 building) Patentee after: Jiangxi Hongdu Precision Machinery Co.,Ltd. Address before: 330000 Jiangxi city in Nanchang Province, the new bridge box 460 box 5001 Patentee before: Hongdu Aviation Industry Group Co., td., Jiangxi Prov. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20171129 |
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CF01 | Termination of patent right due to non-payment of annual fee |