CN201944453U - 一种负压管材承插连接管件 - Google Patents
一种负压管材承插连接管件 Download PDFInfo
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- CN201944453U CN201944453U CN2010206992883U CN201020699288U CN201944453U CN 201944453 U CN201944453 U CN 201944453U CN 2010206992883 U CN2010206992883 U CN 2010206992883U CN 201020699288 U CN201020699288 U CN 201020699288U CN 201944453 U CN201944453 U CN 201944453U
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- Prior art keywords
- negative pressure
- bell
- pipe fitting
- pressure pipes
- pipe clamp
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- 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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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010206992883U CN201944453U (zh) | 2010-12-30 | 2010-12-30 | 一种负压管材承插连接管件 |
Applications Claiming Priority (1)
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CN2010206992883U CN201944453U (zh) | 2010-12-30 | 2010-12-30 | 一种负压管材承插连接管件 |
Publications (1)
Publication Number | Publication Date |
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CN201944453U true CN201944453U (zh) | 2011-08-24 |
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CN2010206992883U Expired - Lifetime CN201944453U (zh) | 2010-12-30 | 2010-12-30 | 一种负压管材承插连接管件 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869552A (zh) * | 2019-04-19 | 2019-06-11 | 中国航发湖南动力机械研究所 | 一种空气管路连接装置 |
-
2010
- 2010-12-30 CN CN2010206992883U patent/CN201944453U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109869552A (zh) * | 2019-04-19 | 2019-06-11 | 中国航发湖南动力机械研究所 | 一种空气管路连接装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANDONG DONGHONG PIPE INDUSTRY CO., LTD. Free format text: FORMER NAME: QUFU DONGHONG INDUSTRIAL CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: 273100 Shandong city of Qufu Province East Road No. 1 Patentee after: Shandong Donghong Pipe Industry Co., Ltd. Address before: 273100 light industrial zone, Qufu, Shandong Patentee before: Qufu Donghong Industry Co., Ltd. |
|
DD01 | Delivery of document by public notice |
Addressee: Kong Fanhe Document name: Notification of Passing Examination on Formalities |
|
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 273100 Shandong city of Qufu Province East Road No. 1 Patentee after: Shandong Dong Hongguan industry limited company Address before: 273100 Shandong city of Qufu Province East Road No. 1 Patentee before: Shandong Donghong Pipe Industry Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20110824 |
|
CX01 | Expiry of patent term |