CN211935730U - 一种压力过滤罐用的布水排气装置、油田采出水用压力过滤罐 - Google Patents
一种压力过滤罐用的布水排气装置、油田采出水用压力过滤罐 Download PDFInfo
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Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: Daqing Oilfield Design Institute Co.,Ltd. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee before: Daqing Oilfield Co.,Ltd. Patentee before: DAQING OILFIELD ENGINEERING Co.,Ltd. |
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Effective date of registration: 20220113 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PETROCHINA Co.,Ltd. Patentee after: Daqing Oilfield Design Institute Co.,Ltd. Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District Central Plains Road No. 99 Patentee before: Daqing Oilfield Co.,Ltd. Patentee before: Daqing Oilfield Design Institute Co.,Ltd. |
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