CN203371488U - 试井井下取样器三节式自由钳 - Google Patents
试井井下取样器三节式自由钳 Download PDFInfo
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- CN203371488U CN203371488U CN201320399201.4U CN201320399201U CN203371488U CN 203371488 U CN203371488 U CN 203371488U CN 201320399201 U CN201320399201 U CN 201320399201U CN 203371488 U CN203371488 U CN 203371488U
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CN201320399201.4U CN203371488U (zh) | 2013-07-05 | 2013-07-05 | 试井井下取样器三节式自由钳 |
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CN201320399201.4U CN203371488U (zh) | 2013-07-05 | 2013-07-05 | 试井井下取样器三节式自由钳 |
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CN203371488U true CN203371488U (zh) | 2014-01-01 |
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CN201320399201.4U Expired - Lifetime CN203371488U (zh) | 2013-07-05 | 2013-07-05 | 试井井下取样器三节式自由钳 |
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C14 | Grant of patent or utility model | ||
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Effective date of registration: 20201014 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CHINA NATIONAL PETROLEUM CORPORATION CHUANQING DRILLING ENGINEERING Co. |
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CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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CX01 | Expiry of patent term |