CN202955233U - 一种耐脆裂大直径机械密封用碳化硅摩擦副 - Google Patents
一种耐脆裂大直径机械密封用碳化硅摩擦副 Download PDFInfo
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- CN202955233U CN202955233U CN 201220668694 CN201220668694U CN202955233U CN 202955233 U CN202955233 U CN 202955233U CN 201220668694 CN201220668694 CN 201220668694 CN 201220668694 U CN201220668694 U CN 201220668694U CN 202955233 U CN202955233 U CN 202955233U
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CN 201220668694 CN202955233U (zh) | 2012-12-07 | 2012-12-07 | 一种耐脆裂大直径机械密封用碳化硅摩擦副 |
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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: Wang Hong Inventor after: Zhang Guoqian Inventor after: Qu Chenfeng Inventor after: Jiang Qiang Inventor after: Qu Guanxing Inventor after: Lou Yuqi Inventor after: Sun Xiaodan Inventor after: Liu Gangjian Inventor after: Cui Chuanqing Inventor after: Lin Wei 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 LIU GANGJIAN CUI CHUANQING LIN WEI WANG HONG ZHANG GUOQIAN |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20191207 |