CN203500242U - 防止抽油机的曲柄销大螺母松动的卡具 - Google Patents
防止抽油机的曲柄销大螺母松动的卡具 Download PDFInfo
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- CN203500242U CN203500242U CN201320463006.3U CN201320463006U CN203500242U CN 203500242 U CN203500242 U CN 203500242U CN 201320463006 U CN201320463006 U CN 201320463006U CN 203500242 U CN203500242 U CN 203500242U
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CN201320463006.3U CN203500242U (zh) | 2013-07-31 | 2013-07-31 | 防止抽油机的曲柄销大螺母松动的卡具 |
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CN109026942A (zh) * | 2018-08-16 | 2018-12-18 | 昆山艺可五金有限公司 | 一种发动机盖快装销钉及其生产工艺 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109026942A (zh) * | 2018-08-16 | 2018-12-18 | 昆山艺可五金有限公司 | 一种发动机盖快装销钉及其生产工艺 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20201103 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC BOHAI EQUIPMENT MANUFACTURING Co.,Ltd. Patentee after: HG PUMPING UNIT Co.,Ltd. Address before: 300457, No. 3, Tianjin TEDA service outsourcing industry park, No. 19 West Ring Road, Tianjin, Tanggu Patentee before: CNPC BOHAI EQUIPMENT MANUFACTURING Co.,Ltd. Patentee before: HG PUMPING UNIT Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20210731 |
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CF01 | Termination of patent right due to non-payment of annual fee |