CN215806537U - 一种密封性高的包胶双板止回阀 - Google Patents
一种密封性高的包胶双板止回阀 Download PDFInfo
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- CN215806537U CN215806537U CN202121901347.5U CN202121901347U CN215806537U CN 215806537 U CN215806537 U CN 215806537U CN 202121901347 U CN202121901347 U CN 202121901347U CN 215806537 U CN215806537 U CN 215806537U
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- plate body
- check valve
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- welded
- round holes
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CN202121901347.5U CN215806537U (zh) | 2021-08-14 | 2021-08-14 | 一种密封性高的包胶双板止回阀 |
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CN202121901347.5U CN215806537U (zh) | 2021-08-14 | 2021-08-14 | 一种密封性高的包胶双板止回阀 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 253000 east of Zhengyang Road, south of provincial road 314, economic and Technological Development Zone, Ningjin County, De Zhou City, Shandong Province Patentee after: Shandong Yahua Industrial Equipment Co.,Ltd. Address before: 253000 east of Zhengyang Road, south of provincial road 314, economic and Technological Development Zone, Ningjin County, De Zhou City, Shandong Province Patentee before: Ningjin Yahua Industry Co.,Ltd. |
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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 Double Plate Check Valve with High Sealing Performance Effective date of registration: 20230816 Granted publication date: 20220211 Pledgee: Shandong Ningjin Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Yahua Industrial Equipment Co.,Ltd. Registration number: Y2023980052342 |