CN203115345U - 一种带法兰钢塑复合钢管与法兰管、管件的连接密封装置 - Google Patents
一种带法兰钢塑复合钢管与法兰管、管件的连接密封装置 Download PDFInfo
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- CN203115345U CN203115345U CN 201320030023 CN201320030023U CN203115345U CN 203115345 U CN203115345 U CN 203115345U CN 201320030023 CN201320030023 CN 201320030023 CN 201320030023 U CN201320030023 U CN 201320030023U CN 203115345 U CN203115345 U CN 203115345U
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CN 201320030023 CN203115345U (zh) | 2013-01-21 | 2013-01-21 | 一种带法兰钢塑复合钢管与法兰管、管件的连接密封装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104565607A (zh) * | 2013-10-10 | 2015-04-29 | 周立超 | 钢塑复合高压管快速连接结构及连接方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104565607A (zh) * | 2013-10-10 | 2015-04-29 | 周立超 | 钢塑复合高压管快速连接结构及连接方法 |
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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: Ningbo Jiangdong Shengfeng Steel-Plastic Tube Factory Assignor: Zhang Mingwei Contract record no.: 2014330000018 Denomination of utility model: Connecting sealing device between steel-plastic composite steel tube with flange and flange pipe or flange pipe fitting Granted publication date: 20130807 License type: Exclusive License Record date: 20140226 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EM01 | Change of recordation of patent licensing contract |
Change date: 20160405 Contract record no.: 2014330000018 Assignee after: NINGBO SHENGFENG STEEL PLASTIC PIPE MANUFACTURER Assignee before: Ningbo Jiangdong Shengfeng Steel-Plastic Tube Factory |
|
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: 20130807 |