CN210948610U - 一种用于水平井的螺旋喷射装置 - Google Patents
一种用于水平井的螺旋喷射装置 Download PDFInfo
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CN115089909A (zh) * | 2022-07-01 | 2022-09-23 | 安徽相品智能科技有限公司 | 一种巡检消防一体化智能机器人 |
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CN115089909A (zh) * | 2022-07-01 | 2022-09-23 | 安徽相品智能科技有限公司 | 一种巡检消防一体化智能机器人 |
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Denomination of utility model: Spiral jet device for horizontal well Effective date of registration: 20220307 Granted publication date: 20200707 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: XI'AN PETROLEUM GREAT PETROLEUM TECHNOLOGY Co.,Ltd. Registration number: Y2022610000078 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220729 Granted publication date: 20200707 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: XI'AN PETROLEUM GREAT PETROLEUM TECHNOLOGY Co.,Ltd. Registration number: Y2022610000078 |