CN215862230U - 带防脱落叶片的管材连接结构 - Google Patents
带防脱落叶片的管材连接结构 Download PDFInfo
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CN114992398A (zh) * | 2022-07-11 | 2022-09-02 | 廖丽红 | 具有发泡层的双壁波纹管及波纹管的制作方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114992398A (zh) * | 2022-07-11 | 2022-09-02 | 廖丽红 | 具有发泡层的双壁波纹管及波纹管的制作方法 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pipe connecting structure with anti falling blade Effective date of registration: 20220517 Granted publication date: 20220218 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980005699 |
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Date of cancellation: 20220915 Granted publication date: 20220218 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980005699 |
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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: Pipe connection structure with anti falling blades Effective date of registration: 20230307 Granted publication date: 20220218 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: KANGMINGYUAN (GUIZHOU) TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2023980034242 |
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