CN203959811U - 一种制氢转化炉出口集合管 - Google Patents
一种制氢转化炉出口集合管 Download PDFInfo
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- CN203959811U CN203959811U CN201420358461.1U CN201420358461U CN203959811U CN 203959811 U CN203959811 U CN 203959811U CN 201420358461 U CN201420358461 U CN 201420358461U CN 203959811 U CN203959811 U CN 203959811U
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CN201420358461.1U CN203959811U (zh) | 2014-06-30 | 2014-06-30 | 一种制氢转化炉出口集合管 |
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CN201420358461.1U CN203959811U (zh) | 2014-06-30 | 2014-06-30 | 一种制氢转化炉出口集合管 |
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CN203959811U true CN203959811U (zh) | 2014-11-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108620716A (zh) * | 2018-04-26 | 2018-10-09 | 中国化学工程第七建设有限公司 | 一种转化炉管道的焊接工艺 |
RU227906U1 (ru) * | 2024-01-17 | 2024-08-08 | Вухуань Инжиниринг Ко., Лтд | Печь риформинга природного газа |
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2014
- 2014-06-30 CN CN201420358461.1U patent/CN203959811U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108620716A (zh) * | 2018-04-26 | 2018-10-09 | 中国化学工程第七建设有限公司 | 一种转化炉管道的焊接工艺 |
CN108620716B (zh) * | 2018-04-26 | 2021-02-05 | 中国化学工程第七建设有限公司 | 一种转化炉管道的焊接工艺 |
RU227906U1 (ru) * | 2024-01-17 | 2024-08-08 | Вухуань Инжиниринг Ко., Лтд | Печь риформинга природного газа |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corp. Patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: China Petroleum Engineering & Construction Corp. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee before: China National Petroleum Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNPC EAST CHINA DESIGN INSTITUTE CO.,LTD. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA PETROLEUM ENGINEERING & CONSTRUCTION Corp. Patentee before: CHINA NATIONAL PETROLEUM Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |