CN205781105U - 一种流线型阀瓣止回阀 - Google Patents
一种流线型阀瓣止回阀 Download PDFInfo
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- CN205781105U CN205781105U CN201620689583.8U CN201620689583U CN205781105U CN 205781105 U CN205781105 U CN 205781105U CN 201620689583 U CN201620689583 U CN 201620689583U CN 205781105 U CN205781105 U CN 205781105U
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CN201620689583.8U CN205781105U (zh) | 2016-07-01 | 2016-07-01 | 一种流线型阀瓣止回阀 |
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Cited By (1)
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CN114776846A (zh) * | 2022-05-18 | 2022-07-22 | 哈电集团哈尔滨电站阀门有限公司 | 一种抽气止回阀及其流道边界确定方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114776846A (zh) * | 2022-05-18 | 2022-07-22 | 哈电集团哈尔滨电站阀门有限公司 | 一种抽气止回阀及其流道边界确定方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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: Streamlined valve clack check valve Effective date of registration: 20181203 Granted publication date: 20161207 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Yongquan Valve Technology Co., Ltd. Registration number: 2018990001132 |
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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: 20200109 Granted publication date: 20161207 Pledgee: Shunde Guangdong rural commercial bank Nanhai Branch of Limited by Share Ltd Pledgor: Guangdong Yongquan Valve Technology Co., Ltd. Registration number: 2018990001132 |