CN210025107U - 一种用于液压油管钳操作杆和安全活门间的自动连锁装置 - Google Patents
一种用于液压油管钳操作杆和安全活门间的自动连锁装置 Download PDFInfo
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- CN210025107U CN210025107U CN201920397176.3U CN201920397176U CN210025107U CN 210025107 U CN210025107 U CN 210025107U CN 201920397176 U CN201920397176 U CN 201920397176U CN 210025107 U CN210025107 U CN 210025107U
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- operating rod
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- hydraulic tubing
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CN201920397176.3U CN210025107U (zh) | 2019-03-26 | 2019-03-26 | 一种用于液压油管钳操作杆和安全活门间的自动连锁装置 |
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Effective date of registration: 20201103 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: 710018 Shaanxi province Xi'an Weiyang Changqing Changqing prosperous Park District Building Room 1203 Patentee before: CHANGQING DOWNHOLE TECHNOLOGY OPERATION COMPANY OF CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |