CN203098866U - 一种耐脆裂大直径机械密封用石墨静环 - Google Patents
一种耐脆裂大直径机械密封用石墨静环 Download PDFInfo
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- CN203098866U CN203098866U CN 201220677630 CN201220677630U CN203098866U CN 203098866 U CN203098866 U CN 203098866U CN 201220677630 CN201220677630 CN 201220677630 CN 201220677630 U CN201220677630 U CN 201220677630U CN 203098866 U CN203098866 U CN 203098866U
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220677630 CN203098866U (zh) | 2012-12-07 | 2012-12-07 | 一种耐脆裂大直径机械密封用石墨静环 |
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| CN 201220677630 CN203098866U (zh) | 2012-12-07 | 2012-12-07 | 一种耐脆裂大直径机械密封用石墨静环 |
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| CN203098866U true CN203098866U (zh) | 2013-07-31 |
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| CN 201220677630 Expired - Fee Related CN203098866U (zh) | 2012-12-07 | 2012-12-07 | 一种耐脆裂大直径机械密封用石墨静环 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lou Tianyan Inventor after: Qu Chenfeng Inventor after: Jiang Qiang Inventor after: Qu Guanxing Inventor after: Lou Yuqi Inventor after: Sun Xiaodan Inventor after: Kong Weichen Inventor after: Wang Hong Inventor after: Zhang Guoqian Inventor before: Lou Tianyan Inventor before: Qu Chenfeng Inventor before: Jiang Qiang Inventor before: Qu Guanxing Inventor before: Lou Yuqi Inventor before: Sun Xiaodan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LOU TIANYAN QU CHENFENG JIANG QIANG QU GUANXING LOU YUQI SUN XIAODAN TO: LOU TIANYAN QU CHENFENG JIANG QIANG QU GUANXING LOU YUQI SUN XIAODAN KONG WEICHEN WANG HONG ZHANG GUOQIAN |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20191207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |