CN201065991Y - 用于顶进施工的小口径柔性钢承口钢筋混凝土管 - Google Patents
用于顶进施工的小口径柔性钢承口钢筋混凝土管 Download PDFInfo
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- CN201065991Y CN201065991Y CNU2007201906038U CN200720190603U CN201065991Y CN 201065991 Y CN201065991 Y CN 201065991Y CN U2007201906038 U CNU2007201906038 U CN U2007201906038U CN 200720190603 U CN200720190603 U CN 200720190603U CN 201065991 Y CN201065991 Y CN 201065991Y
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Application Number | Priority Date | Filing Date | Title |
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CNU2007201906038U CN201065991Y (zh) | 2007-12-05 | 2007-12-05 | 用于顶进施工的小口径柔性钢承口钢筋混凝土管 |
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CNU2007201906038U CN201065991Y (zh) | 2007-12-05 | 2007-12-05 | 用于顶进施工的小口径柔性钢承口钢筋混凝土管 |
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CN201065991Y true CN201065991Y (zh) | 2008-05-28 |
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CNU2007201906038U Expired - Lifetime CN201065991Y (zh) | 2007-12-05 | 2007-12-05 | 用于顶进施工的小口径柔性钢承口钢筋混凝土管 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072359A (zh) * | 2009-11-24 | 2011-05-25 | 上海市政工程设计研究总院 | 曲线钢顶管管节及顶进方法 |
CN104265302A (zh) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | 顶管管节止退装置 |
-
2007
- 2007-12-05 CN CNU2007201906038U patent/CN201065991Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072359A (zh) * | 2009-11-24 | 2011-05-25 | 上海市政工程设计研究总院 | 曲线钢顶管管节及顶进方法 |
CN104265302A (zh) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | 顶管管节止退装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING CHENGFENG BUILDING MATERIALS CO., LTD. Assignor: Wang Yulei Contract fulfillment period: 2009.5.8 to 2019.1.19 Contract record no.: 2009110000155 Denomination of utility model: Small caliber flexible steel socket steel bar concrete pipe for jacking construction Granted publication date: 20080528 License type: Exclusive license Record date: 20090720 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.8 TO 2019.1.19; CHANGE OF CONTRACT Name of requester: BEIJING CHENGFENG BUILDING MATERIALS PRODUCTS CO., Effective date: 20090720 |
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CX01 | Expiry of patent term |
Granted publication date: 20080528 |
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CX01 | Expiry of patent term |