CN102452701B - 延缓漩涡产生的装置 - Google Patents
延缓漩涡产生的装置 Download PDFInfo
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- CN102452701B CN102452701B CN 201010530135 CN201010530135A CN102452701B CN 102452701 B CN102452701 B CN 102452701B CN 201010530135 CN201010530135 CN 201010530135 CN 201010530135 A CN201010530135 A CN 201010530135A CN 102452701 B CN102452701 B CN 102452701B
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010530135 CN102452701B (zh) | 2010-10-29 | 2010-10-29 | 延缓漩涡产生的装置 |
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CN 201010530135 CN102452701B (zh) | 2010-10-29 | 2010-10-29 | 延缓漩涡产生的装置 |
Publications (2)
Publication Number | Publication Date |
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CN102452701A CN102452701A (zh) | 2012-05-16 |
CN102452701B true CN102452701B (zh) | 2013-10-09 |
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Application Number | Title | Priority Date | Filing Date |
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CN 201010530135 Expired - Fee Related CN102452701B (zh) | 2010-10-29 | 2010-10-29 | 延缓漩涡产生的装置 |
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CN (1) | CN102452701B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102659214A (zh) * | 2012-05-29 | 2012-09-12 | 中国海洋石油总公司 | 延缓漩涡产生的装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1309245A (zh) * | 2000-02-02 | 2001-08-22 | 株式会社荏原制作所 | 泵中的防涡流装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000303438A (ja) * | 1999-04-21 | 2000-10-31 | Shinko Electric Co Ltd | 水質浄化装置および水質浄化方法 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1309245A (zh) * | 2000-02-02 | 2001-08-22 | 株式会社荏原制作所 | 泵中的防涡流装置 |
Non-Patent Citations (1)
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JP特开2000-303438A 2000.10.31 |
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CN102452701A (zh) | 2012-05-16 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20191029 |
|
CF01 | Termination of patent right due to non-payment of annual fee |