CN208184656U - 双发动机修井机 - Google Patents
双发动机修井机 Download PDFInfo
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- CN208184656U CN208184656U CN201820550309.1U CN201820550309U CN208184656U CN 208184656 U CN208184656 U CN 208184656U CN 201820550309 U CN201820550309 U CN 201820550309U CN 208184656 U CN208184656 U CN 208184656U
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CN201820550309.1U CN208184656U (zh) | 2018-04-18 | 2018-04-18 | 双发动机修井机 |
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CN201820550309.1U CN208184656U (zh) | 2018-04-18 | 2018-04-18 | 双发动机修井机 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dual engine workover rig Effective date of registration: 20210707 Granted publication date: 20181204 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021220000072 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230621 Granted publication date: 20181204 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021220000072 |