CN207030815U - 一种天车及其滑轮防大绳跳槽结构 - Google Patents
一种天车及其滑轮防大绳跳槽结构 Download PDFInfo
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- CN207030815U CN207030815U CN201720846552.3U CN201720846552U CN207030815U CN 207030815 U CN207030815 U CN 207030815U CN 201720846552 U CN201720846552 U CN 201720846552U CN 207030815 U CN207030815 U CN 207030815U
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| CN201720846552.3U CN207030815U (zh) | 2017-07-12 | 2017-07-12 | 一种天车及其滑轮防大绳跳槽结构 |
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| CN201720846552.3U CN207030815U (zh) | 2017-07-12 | 2017-07-12 | 一种天车及其滑轮防大绳跳槽结构 |
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| CN207030815U true CN207030815U (zh) | 2018-02-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084085A (zh) * | 2018-08-27 | 2018-12-25 | 徐州徐工随车起重机有限公司 | 一种防线路脱出的保护装置 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084085A (zh) * | 2018-08-27 | 2018-12-25 | 徐州徐工随车起重机有限公司 | 一种防线路脱出的保护装置 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: Drilling well three companies of Central Plains petroleum works Co., Ltd of China Petrochemical Industry Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Co-patentee before: Drilling well three companies of Central Plains petroleum works Co., Ltd of China Petrochemical Industry Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |