CN205243451U - 井管下管拔管专用工具 - Google Patents
井管下管拔管专用工具 Download PDFInfo
- Publication number
- CN205243451U CN205243451U CN201521104952.4U CN201521104952U CN205243451U CN 205243451 U CN205243451 U CN 205243451U CN 201521104952 U CN201521104952 U CN 201521104952U CN 205243451 U CN205243451 U CN 205243451U
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- elevator
- well casing
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201521104952.4U CN205243451U (zh) | 2015-12-28 | 2015-12-28 | 井管下管拔管专用工具 |
Applications Claiming Priority (1)
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CN201521104952.4U CN205243451U (zh) | 2015-12-28 | 2015-12-28 | 井管下管拔管专用工具 |
Publications (1)
Publication Number | Publication Date |
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CN205243451U true CN205243451U (zh) | 2016-05-18 |
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CN201521104952.4U Active CN205243451U (zh) | 2015-12-28 | 2015-12-28 | 井管下管拔管专用工具 |
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CN (1) | CN205243451U (zh) |
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2015
- 2015-12-28 CN CN201521104952.4U patent/CN205243451U/zh active Active
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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: 057651 North side of the middle section of Jin Guangyuan Road, Guangping County, Handan City, Hebei Province Patentee after: Hebei Weiye Geothermal New Energy Technology Co.,Ltd. Address before: 057650 north side of Jinguang Yuan Road, Guang Ping County, Handan, Hebei Patentee before: HANDAN WEIYE GEOTHERMAL DEVELOPMENT CO.,LTD. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Special tool for lowering and pulling well pipes Effective date of registration: 20230510 Granted publication date: 20160518 Pledgee: Guangping County Rural Credit Cooperative Pledgor: Hebei Weiye Geothermal New Energy Technology Co.,Ltd. Registration number: Y2023130000033 |