CN101519972B - 一种单向顺序阀及使用该单向顺序阀的支架液压顺序控制系统 - Google Patents
一种单向顺序阀及使用该单向顺序阀的支架液压顺序控制系统 Download PDFInfo
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CN2009101357053A CN101519972B (zh) | 2009-04-27 | 2009-04-27 | 一种单向顺序阀及使用该单向顺序阀的支架液压顺序控制系统 |
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CN101864977A (zh) * | 2010-04-23 | 2010-10-20 | 黑龙江科技学院 | 一种煤矿井下液压支架换向机构的控制系统 |
CN108999823B (zh) * | 2018-09-14 | 2019-11-22 | 连云港海赣科技有限公司 | 一种双路单向顺序阀结构 |
CN112901581B (zh) * | 2021-01-15 | 2023-07-04 | 宁波宇洲液压设备有限公司 | 一种缓冲装置及顺序阀 |
CN114576229B (zh) * | 2022-03-01 | 2023-01-20 | 江苏菲尔特液压机械有限公司 | 一种管式单向顺序阀 |
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Effective date of registration: 20161221 Address after: 100013 Beijing, Hepingli Youth ditch East Road, building No. 5, room and floor, No. 131, No. Patentee after: BEIJING MEIKETIANMA AUTOMATION TECHNOLOGY CO., LTD. Address before: 100013 Beijing, Hepingli Youth ditch East Road, No. 5, building a layer of heaven and earth Patentee before: Beijing Tiandi-Marco Electro-Hydraulic Control System Company Ltd. |
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Effective date of registration: 20201027 Address after: 100013 Beijing, Hepingli Youth ditch East Road, building No. 5, room and floor, No. 131, No. Patentee after: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee after: BEIJING MEIKE TIANMA AUTOMATION SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 100013 Beijing, Hepingli Youth ditch East Road, building No. 5, room and floor, No. 131, No. Patentee before: BEIJING MEIKE TIANMA AUTOMATION SCIENCE & TECHNOLOGY Co.,Ltd. |
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Address after: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee after: Beijing Tianma Zhikong Technology Co.,Ltd. Patentee after: Beijing coal technology Tianma Automation Technology Co., Ltd Address before: No.131, ground floor, Tiandi building, No.5, qingniangou East Road, Hepingli, Chaoyang District, Beijing 100013 Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. Patentee before: Beijing coal technology Tianma Automation Technology Co., Ltd |
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