CN214478887U - 一种配电房外装式通风装置 - Google Patents
一种配电房外装式通风装置 Download PDFInfo
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An external ventilation device for power distribution room Effective date of registration: 20220623 Granted publication date: 20211022 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Zhong Zhong Energy Technology Co.,Ltd. Registration number: Y2022980008724 |
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Date of cancellation: 20230512 Granted publication date: 20211022 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Zhong Zhong Energy Technology Co.,Ltd. Registration number: Y2022980008724 |
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PC01 | Cancellation 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: An external ventilation device for distribution rooms Effective date of registration: 20230516 Granted publication date: 20211022 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Zhong Zhong Energy Technology Co.,Ltd. Registration number: Y2023980040751 |
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