CN211230351U - 独立出液式生产四通双光杆采油井口 - Google Patents
独立出液式生产四通双光杆采油井口 Download PDFInfo
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CN112983349A (zh) * | 2021-03-01 | 2021-06-18 | 江苏庆海石油机械有限公司 | 一种多流通孔式安全截断平板阀 |
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Cited By (1)
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CN112983349A (zh) * | 2021-03-01 | 2021-06-18 | 江苏庆海石油机械有限公司 | 一种多流通孔式安全截断平板阀 |
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Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Jianghan oil field factory of Jianghan Oilfield Branch Company of China Petroleum Chemical Co. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Jianghan Oil Production Plant of SINOPEC Jianghan Oilfield Co. |
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Effective date of registration: 20220905 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Jianghan oil field factory of Jianghan Oilfield Branch Company of China Petroleum Chemical Co. Patentee after: Sinopec Engineering Quality Monitoring Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Jianghan oil field factory of Jianghan Oilfield Branch Company of China Petroleum Chemical Co. |