CN214145548U - 液压支架用截止卸荷阀 - Google Patents
液压支架用截止卸荷阀 Download PDFInfo
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- CN214145548U CN214145548U CN202023052241.0U CN202023052241U CN214145548U CN 214145548 U CN214145548 U CN 214145548U CN 202023052241 U CN202023052241 U CN 202023052241U CN 214145548 U CN214145548 U CN 214145548U
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CN202023052241.0U CN214145548U (zh) | 2020-12-17 | 2020-12-17 | 液压支架用截止卸荷阀 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112343639A (zh) * | 2020-12-17 | 2021-02-09 | 郑州煤机液压电控有限公司 | 液压支架用截止卸荷阀 |
CN114412868A (zh) * | 2022-01-24 | 2022-04-29 | 华中科技大学 | 高压大流量液泵比例卸荷阀 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112343639A (zh) * | 2020-12-17 | 2021-02-09 | 郑州煤机液压电控有限公司 | 液压支架用截止卸荷阀 |
CN112343639B (zh) * | 2020-12-17 | 2024-08-06 | 郑州恒达智控科技股份有限公司 | 液压支架用截止卸荷阀 |
CN114412868A (zh) * | 2022-01-24 | 2022-04-29 | 华中科技大学 | 高压大流量液泵比例卸荷阀 |
CN114412868B (zh) * | 2022-01-24 | 2023-04-18 | 华中科技大学 | 高压大流量液泵比例卸荷阀 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20220728 Address after: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic Development Zone, Henan Province, 450016 Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Patentee after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No. 167, 9th Street, Zhengzhou area (Economic Development Zone), Henan pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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CP03 | Change of name, title or address |