CN201014071Y - 煤矿井下用聚乙烯涂层复合钢管 - Google Patents
煤矿井下用聚乙烯涂层复合钢管 Download PDFInfo
- Publication number
- CN201014071Y CN201014071Y CNU2007200189432U CN200720018943U CN201014071Y CN 201014071 Y CN201014071 Y CN 201014071Y CN U2007200189432 U CNU2007200189432 U CN U2007200189432U CN 200720018943 U CN200720018943 U CN 200720018943U CN 201014071 Y CN201014071 Y CN 201014071Y
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- China
- Prior art keywords
- coal mine
- steel tube
- composite steel
- used under
- tube used
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200189432U CN201014071Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿井下用聚乙烯涂层复合钢管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007200189432U CN201014071Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿井下用聚乙烯涂层复合钢管 |
Publications (1)
Publication Number | Publication Date |
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CN201014071Y true CN201014071Y (zh) | 2008-01-30 |
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Family Applications (1)
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CNU2007200189432U Expired - Fee Related CN201014071Y (zh) | 2007-02-09 | 2007-02-09 | 煤矿井下用聚乙烯涂层复合钢管 |
Country Status (1)
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CN (1) | CN201014071Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103939680A (zh) * | 2014-03-30 | 2014-07-23 | 福建福宁卫通新型材料科技有限公司 | 钢木塑复合管 |
CN104006228A (zh) * | 2014-05-20 | 2014-08-27 | 安徽志拓管业有限公司 | 一种改性环氧树脂涂层钢塑复合瓦斯管及其制作方法 |
-
2007
- 2007-02-09 CN CNU2007200189432U patent/CN201014071Y/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103939680A (zh) * | 2014-03-30 | 2014-07-23 | 福建福宁卫通新型材料科技有限公司 | 钢木塑复合管 |
CN103939680B (zh) * | 2014-03-30 | 2016-08-03 | 福建福宁卫通新型材料科技有限公司 | 钢木塑复合管 |
CN104006228A (zh) * | 2014-05-20 | 2014-08-27 | 安徽志拓管业有限公司 | 一种改性环氧树脂涂层钢塑复合瓦斯管及其制作方法 |
CN104006228B (zh) * | 2014-05-20 | 2016-02-24 | 安徽志拓管业有限公司 | 一种改性环氧树脂涂层钢塑复合瓦斯管及其制作方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANDONG WOFENG GERUI PIPE INDUSTRY CO., LTD. Assignor: Yankuang Group Zoucheng plastic products Co., Ltd.|Wang Xin Hyland Contract record no.: 2010370000346 Denomination of utility model: Polyethylene coatings composite steel tube used under coal mine Granted publication date: 20080130 License type: Exclusive License Record date: 20100705 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20160209 |
|
CF01 | Termination of patent right due to non-payment of annual fee |