CN202936814U - 预制钢筋混凝土管桩桩芯清理铲 - Google Patents
预制钢筋混凝土管桩桩芯清理铲 Download PDFInfo
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- CN202936814U CN202936814U CN 201220592808 CN201220592808U CN202936814U CN 202936814 U CN202936814 U CN 202936814U CN 201220592808 CN201220592808 CN 201220592808 CN 201220592808 U CN201220592808 U CN 201220592808U CN 202936814 U CN202936814 U CN 202936814U
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CN 201220592808 CN202936814U (zh) | 2012-11-12 | 2012-11-12 | 预制钢筋混凝土管桩桩芯清理铲 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108816825A (zh) * | 2018-06-01 | 2018-11-16 | 安徽晋煤中能化工股份有限公司 | 一种电捕捉焦油器清污专用工具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108816825A (zh) * | 2018-06-01 | 2018-11-16 | 安徽晋煤中能化工股份有限公司 | 一种电捕捉焦油器清污专用工具 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: SHENGLI ENGINEERING CONSTRUCTION (GROUP) CORPORATION LTD. OF SHENGLI OIL FIELD Effective date: 20150203 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 257000 DONGYING, SHANDONG PROVINCE TO: 100029 CHAOYANG, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20150203 Address after: 100029 Beijing City, Chaoyang District Hui Street No. six twelfth floor Patentee after: SINOPEC OILFIELD SERVICE Corp. Address before: 257000 No. two, 755 North Road, Dongying District, Shandong, Dongying Patentee before: Shengli Oilfield Shengli Engineering Construction (Group) Co.,Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130515 |