CN209977301U - 一种四阀瓣式无摩擦球阀 - Google Patents
一种四阀瓣式无摩擦球阀 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109707865A (zh) * | 2019-01-29 | 2019-05-03 | 中国石化销售有限公司华南分公司 | 一种四阀瓣式无摩擦球阀 |
CN114688282A (zh) * | 2022-03-21 | 2022-07-01 | 中车太原机车车辆有限公司 | 一种铁路货车用新型操纵阀 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109707865A (zh) * | 2019-01-29 | 2019-05-03 | 中国石化销售有限公司华南分公司 | 一种四阀瓣式无摩擦球阀 |
CN109707865B (zh) * | 2019-01-29 | 2023-10-20 | 中国石油化工股份有限公司 | 一种四阀瓣式无摩擦球阀 |
CN114688282A (zh) * | 2022-03-21 | 2022-07-01 | 中车太原机车车辆有限公司 | 一种铁路货车用新型操纵阀 |
CN114688282B (zh) * | 2022-03-21 | 2023-09-08 | 中车太原机车车辆有限公司 | 一种铁路货车用新型操纵阀 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: South China branch of Sinopec Sales Co.,Ltd. Patentee after: XI'AN AEROSPACE YUANZHENG FLUID CONTROL Co.,Ltd. Address before: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SOUTH CHINA BRANCH OF SINOPEC CHEMICAL COMMERCIAL HOLDING Co.,Ltd. Patentee before: XI'AN AEROSPACE YUANZHENG FLUID CONTROL Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230925 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: XI'AN AEROSPACE YUANZHENG FLUID CONTROL Co.,Ltd. Address before: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: South China branch of Sinopec Sales Co.,Ltd. Patentee before: XI'AN AEROSPACE YUANZHENG FLUID CONTROL Co.,Ltd. |
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