CN209704809U - 一种防垢卡抽油泵 - Google Patents
一种防垢卡抽油泵 Download PDFInfo
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- CN209704809U CN209704809U CN201920268414.0U CN201920268414U CN209704809U CN 209704809 U CN209704809 U CN 209704809U CN 201920268414 U CN201920268414 U CN 201920268414U CN 209704809 U CN209704809 U CN 209704809U
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CN201920268414.0U CN209704809U (zh) | 2019-03-04 | 2019-03-04 | 一种防垢卡抽油泵 |
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Effective date of registration: 20201118 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. Address before: 300280 Dagang Road, Dagang oil field, Tianjin, Tianjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: BOHAI PETROLEUM EQUIPMENT (TIANJIN) NEW CENTURY MACHINERY MANUFACTURING Co.,Ltd. |