CN204846943U - 人孔装置 - Google Patents
人孔装置 Download PDFInfo
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- CN204846943U CN204846943U CN201520374179.7U CN201520374179U CN204846943U CN 204846943 U CN204846943 U CN 204846943U CN 201520374179 U CN201520374179 U CN 201520374179U CN 204846943 U CN204846943 U CN 204846943U
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CN201520374179.7U CN204846943U (zh) | 2015-06-03 | 2015-06-03 | 人孔装置 |
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CN201520374179.7U CN204846943U (zh) | 2015-06-03 | 2015-06-03 | 人孔装置 |
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CN204846943U true CN204846943U (zh) | 2015-12-09 |
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CN201520374179.7U Active CN204846943U (zh) | 2015-06-03 | 2015-06-03 | 人孔装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106969141A (zh) * | 2017-05-10 | 2017-07-21 | 南通普瑞特机械有限公司 | 一种压力容器手孔装置 |
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- 2015-06-03 CN CN201520374179.7U patent/CN204846943U/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106969141A (zh) * | 2017-05-10 | 2017-07-21 | 南通普瑞特机械有限公司 | 一种压力容器手孔装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: COOEC-ENPAL ENGINEERING Co.,Ltd. Address before: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180507 Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC PETROCHEMICAL ENGINEERING Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |