CN214889299U - 一种钢套钢保温管穿管组装装置 - Google Patents
一种钢套钢保温管穿管组装装置 Download PDFInfo
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CN114354416A (zh) * | 2022-01-17 | 2022-04-15 | 广东石油化工学院 | 一种石油化工机械管道强度检测装置 |
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CN114354416A (zh) * | 2022-01-17 | 2022-04-15 | 广东石油化工学院 | 一种石油化工机械管道强度检测装置 |
CN114354416B (zh) * | 2022-01-17 | 2023-09-29 | 广东石油化工学院 | 一种石油化工机械管道强度检测装置 |
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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: A pipe threading assembly device for steel jacketed steel insulation pipe Effective date of registration: 20220627 Granted publication date: 20211126 Pledgee: Bank of China Limited Yutai sub branch Pledgor: Shandong Juneng Pipe Industry Co.,Ltd. Registration number: Y2022980008938 |
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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: 20230605 Granted publication date: 20211126 Pledgee: Bank of China Limited Yutai sub branch Pledgor: Shandong Juneng Pipe Industry Co.,Ltd. Registration number: Y2022980008938 |
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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: A steel sleeve steel insulation pipe threading assembly device Effective date of registration: 20230608 Granted publication date: 20211126 Pledgee: Bank of China Limited Yutai sub branch Pledgor: Shandong Juneng Pipe Industry Co.,Ltd. Registration number: Y2023110000222 |