CN203227941U - 卷制管纵缝焊接的辅助装置 - Google Patents
卷制管纵缝焊接的辅助装置 Download PDFInfo
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- CN203227941U CN203227941U CN 201320098562 CN201320098562U CN203227941U CN 203227941 U CN203227941 U CN 203227941U CN 201320098562 CN201320098562 CN 201320098562 CN 201320098562 U CN201320098562 U CN 201320098562U CN 203227941 U CN203227941 U CN 203227941U
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CN 201320098562 CN203227941U (zh) | 2013-03-05 | 2013-03-05 | 卷制管纵缝焊接的辅助装置 |
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CN 201320098562 CN203227941U (zh) | 2013-03-05 | 2013-03-05 | 卷制管纵缝焊接的辅助装置 |
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CN203227941U true CN203227941U (zh) | 2013-10-09 |
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CN 201320098562 Expired - Fee Related CN203227941U (zh) | 2013-03-05 | 2013-03-05 | 卷制管纵缝焊接的辅助装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111482743A (zh) * | 2020-06-08 | 2020-08-04 | 黄伟 | 一种化工反应罐焊接加工设备及焊接加工工艺 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111482743A (zh) * | 2020-06-08 | 2020-08-04 | 黄伟 | 一种化工反应罐焊接加工设备及焊接加工工艺 |
CN111482743B (zh) * | 2020-06-08 | 2021-08-13 | 京鼎工程建设有限公司 | 一种化工反应罐焊接加工设备及焊接加工工艺 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20190305 |
|
CF01 | Termination of patent right due to non-payment of annual fee |