CN211550924U - 一种耐腐蚀的石油管道 - Google Patents
一种耐腐蚀的石油管道 Download PDFInfo
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- CN211550924U CN211550924U CN201922038742.4U CN201922038742U CN211550924U CN 211550924 U CN211550924 U CN 211550924U CN 201922038742 U CN201922038742 U CN 201922038742U CN 211550924 U CN211550924 U CN 211550924U
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CN201922038742.4U CN211550924U (zh) | 2019-11-22 | 2019-11-22 | 一种耐腐蚀的石油管道 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20211129 Address after: 224021 No. 1-1, group 1, Tinghu village, Qinnan Town, Yandu District, Yancheng City, Jiangsu Province Patentee after: Yang Lin Address before: 615000 changbanqiao village, anha Town, Xichang City, Ganzi Tibetan Autonomous Prefecture, Sichuan Province Patentee before: Feng Xiucai |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220822 Address after: No. 46, Group 16, Lixi Village, Libao Town, Haian County, Nantong City, Jiangsu Province, 226631 Patentee after: Jiangsu Puteng oil and gas equipment Co.,Ltd. Address before: 224021 No. 1-1, group 1, Tinghu village, Qinnan Town, Yandu District, Yancheng City, Jiangsu Province Patentee before: Yang Lin |
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TR01 | Transfer of patent right |