CN202660153U - 表面有环氧煤沥青防腐层的埋置式预应力钢筒混凝土管 - Google Patents
表面有环氧煤沥青防腐层的埋置式预应力钢筒混凝土管 Download PDFInfo
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- CN202660153U CN202660153U CN 201220235446 CN201220235446U CN202660153U CN 202660153 U CN202660153 U CN 202660153U CN 201220235446 CN201220235446 CN 201220235446 CN 201220235446 U CN201220235446 U CN 201220235446U CN 202660153 U CN202660153 U CN 202660153U
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CN 201220235446 CN202660153U (zh) | 2012-05-24 | 2012-05-24 | 表面有环氧煤沥青防腐层的埋置式预应力钢筒混凝土管 |
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CN 201220235446 CN202660153U (zh) | 2012-05-24 | 2012-05-24 | 表面有环氧煤沥青防腐层的埋置式预应力钢筒混凝土管 |
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CN202660153U true CN202660153U (zh) | 2013-01-09 |
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CN 201220235446 Expired - Lifetime CN202660153U (zh) | 2012-05-24 | 2012-05-24 | 表面有环氧煤沥青防腐层的埋置式预应力钢筒混凝土管 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104180083A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 带防腐层的pccp电厂冷却水钢筒混凝土管及生产方法 |
CN104180085A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 新型防渗pccp预应力钢筒混凝土管及生产方法 |
CN104180084A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 带环氧胶泥保护层的预应力钢筒混凝土管及生产方法 |
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2012
- 2012-05-24 CN CN 201220235446 patent/CN202660153U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104180083A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 带防腐层的pccp电厂冷却水钢筒混凝土管及生产方法 |
CN104180085A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 新型防渗pccp预应力钢筒混凝土管及生产方法 |
CN104180084A (zh) * | 2013-05-21 | 2014-12-03 | 山东沃特管业有限责任公司 | 带环氧胶泥保护层的预应力钢筒混凝土管及生产方法 |
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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: Liaoning Shengshi water conservancy and Hydropower Engineering Co., Ltd. Assignor: Shandong Longquan Pipeline Engineering Co., Ltd. Contract record no.: 2013370000026 Denomination of utility model: Embedded type pre-stressed steel cylinder concrete pipe with epoxy coal pitch anticorrosive coating layer on surface Granted publication date: 20130109 License type: Common License Record date: 20130220 Assignee: Changzhou Longquan Pipeline Engineering Co., Ltd. Assignor: Shandong Longquan Pipeline Engineering Co., Ltd. Contract record no.: 2013370000025 Denomination of utility model: Embedded type pre-stressed steel cylinder concrete pipe with epoxy coal pitch anticorrosive coating layer on surface Granted publication date: 20130109 License type: Common License Record date: 20130220 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130109 |