CN202769085U - 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 - Google Patents
长寿命多层防腐处理的埋置式预应力钢筒混凝土管 Download PDFInfo
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- CN202769085U CN202769085U CN 201220310950 CN201220310950U CN202769085U CN 202769085 U CN202769085 U CN 202769085U CN 201220310950 CN201220310950 CN 201220310950 CN 201220310950 U CN201220310950 U CN 201220310950U CN 202769085 U CN202769085 U CN 202769085U
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220310950 CN202769085U (zh) | 2012-06-29 | 2012-06-29 | 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 |
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| CN 201220310950 CN202769085U (zh) | 2012-06-29 | 2012-06-29 | 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 |
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| CN202769085U true CN202769085U (zh) | 2013-03-06 |
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| CN 201220310950 Expired - Lifetime CN202769085U (zh) | 2012-06-29 | 2012-06-29 | 长寿命多层防腐处理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 |
|---|---|---|---|---|
| CN102691830A (zh) * | 2012-06-29 | 2012-09-26 | 山东龙泉管道工程股份有限公司 | 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 |
| CN105179821A (zh) * | 2015-09-22 | 2015-12-23 | 山东龙泉管道工程股份有限公司 | 全防腐直饮水的埋置式预应力钢筒混凝土管 |
| CN111216232A (zh) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | 一种高品质预应力钢筒混凝土管及其生产工艺 |
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- 2012-06-29 CN CN 201220310950 patent/CN202769085U/zh not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691830A (zh) * | 2012-06-29 | 2012-09-26 | 山东龙泉管道工程股份有限公司 | 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 |
| CN102691830B (zh) * | 2012-06-29 | 2014-04-30 | 山东龙泉管道工程股份有限公司 | 长寿命多层防腐处理的埋置式预应力钢筒混凝土管 |
| CN105179821A (zh) * | 2015-09-22 | 2015-12-23 | 山东龙泉管道工程股份有限公司 | 全防腐直饮水的埋置式预应力钢筒混凝土管 |
| CN111216232A (zh) * | 2020-02-12 | 2020-06-02 | 浙江巨通管业有限公司 | 一种高品质预应力钢筒混凝土管及其生产工艺 |
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| C14 | Grant of patent or utility model | ||
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Assignee: Liaoning Shengshi water conservancy and Hydropower Engineering Co.,Ltd. Assignor: SHANDONG LONGQUAN PIPELINE ENGINEERING Co.,Ltd. Contract record no.: 2013370000167 Denomination of utility model: Buried prestressed steel cylinder concrete pipe having long service life and subjected to multi-layer anti-corrosion treatment Granted publication date: 20130306 License type: Common License Record date: 20130718 Assignee: Changzhou Longquan Pipeline Engineering Co.,Ltd. Assignor: SHANDONG LONGQUAN PIPELINE ENGINEERING Co.,Ltd. Contract record no.: 2013370000166 Denomination of utility model: Buried prestressed steel cylinder concrete pipe having long service life and subjected to multi-layer anti-corrosion treatment Granted publication date: 20130306 License type: Common License Record date: 20130718 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |