CN211761255U - 液压阀密封圈安装工装 - Google Patents
液压阀密封圈安装工装 Download PDFInfo
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- CN211761255U CN211761255U CN202020364044.3U CN202020364044U CN211761255U CN 211761255 U CN211761255 U CN 211761255U CN 202020364044 U CN202020364044 U CN 202020364044U CN 211761255 U CN211761255 U CN 211761255U
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CN202020364044.3U CN211761255U (zh) | 2020-03-20 | 2020-03-20 | 液压阀密封圈安装工装 |
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CN202020364044.3U CN211761255U (zh) | 2020-03-20 | 2020-03-20 | 液压阀密封圈安装工装 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Patentee after: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: 450016 No. ninth, 167 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220719 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 |