CN214981966U - 一种混凝土电杆部分预应力钢筋张拉装置 - Google Patents
一种混凝土电杆部分预应力钢筋张拉装置 Download PDFInfo
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Legal Events
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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 tension device for partially prestressed reinforcement of concrete pole Effective date of registration: 20220527 Granted publication date: 20211203 Pledgee: Bank of China Limited by Share Ltd. Lushan Mountain branch Pledgor: Yongli tower Co.,Ltd. Registration number: Y2022980006602 |
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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: 20230315 Granted publication date: 20211203 Pledgee: Bank of China Limited by Share Ltd. Lushan Mountain branch Pledgor: Yongli tower Co.,Ltd. Registration number: Y2022980006602 |
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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 partial prestressed steel bar tensioning device for concrete poles Effective date of registration: 20230608 Granted publication date: 20211203 Pledgee: Bank of China Limited by Share Ltd. Lushan Mountain branch Pledgor: Yongli tower Co.,Ltd. Registration number: Y2023980043155 |