CN202013131U - 高效缩口湍流换热管 - Google Patents
高效缩口湍流换热管 Download PDFInfo
- Publication number
- CN202013131U CN202013131U CN2011201025582U CN201120102558U CN202013131U CN 202013131 U CN202013131 U CN 202013131U CN 2011201025582 U CN2011201025582 U CN 2011201025582U CN 201120102558 U CN201120102558 U CN 201120102558U CN 202013131 U CN202013131 U CN 202013131U
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- heat exchange
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- heat transfer
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011201025582U CN202013131U (zh) | 2011-04-11 | 2011-04-11 | 高效缩口湍流换热管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011201025582U CN202013131U (zh) | 2011-04-11 | 2011-04-11 | 高效缩口湍流换热管 |
Publications (1)
Publication Number | Publication Date |
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CN202013131U true CN202013131U (zh) | 2011-10-19 |
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CN2011201025582U Expired - Fee Related CN202013131U (zh) | 2011-04-11 | 2011-04-11 | 高效缩口湍流换热管 |
Country Status (1)
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CN (1) | CN202013131U (zh) |
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2011
- 2011-04-11 CN CN2011201025582U patent/CN202013131U/zh not_active Expired - Fee Related
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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 BEICHEN ELECTROMECHANICAL EQUIPMENT CO., Free format text: FORMER NAME: SHANDONG BEICHEN PRESSURE VESSEL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 250305 No. 6 Beichen Road, five mountain tourism resort, Changqing District, Shandong, Ji'nan Patentee after: Shandong Beichen Electromechanical Device Co., Ltd. Address before: 250305 No. 6 Beichen Road, five mountain tourism resort, Changqing District, Shandong, Ji'nan Patentee before: Shandong Beichen Pressure Vessel Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20200411 |
|
CF01 | Termination of patent right due to non-payment of annual fee |