CN213145770U - 一种防腐型超高分子量聚乙烯内衬管 - Google Patents
一种防腐型超高分子量聚乙烯内衬管 Download PDFInfo
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- CN213145770U CN213145770U CN202120716142.3U CN202120716142U CN213145770U CN 213145770 U CN213145770 U CN 213145770U CN 202120716142 U CN202120716142 U CN 202120716142U CN 213145770 U CN213145770 U CN 213145770U
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Legal Events
Date | Code | Title | Description |
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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 |
Denomination of utility model: An anti-corrosion type ultra-high molecular weight polyethylene lined pipe Effective date of registration: 20220914 Granted publication date: 20210507 Pledgee: Dongying Laishang Rural Bank Co.,Ltd. Shenghua Sub branch Pledgor: Dongying Longwei Electromechanical Equipment Co.,Ltd. Registration number: Y2022980015195 |
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PE01 | Entry into force 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: 20230922 Granted publication date: 20210507 Pledgee: Dongying Laishang Rural Bank Co.,Ltd. Shenghua Sub branch Pledgor: Dongying Longwei Electromechanical Equipment Co.,Ltd. Registration number: Y2022980015195 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |