CN202401497U - 一种水下排泥装置 - Google Patents
一种水下排泥装置 Download PDFInfo
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- CN202401497U CN202401497U CN2012200132844U CN201220013284U CN202401497U CN 202401497 U CN202401497 U CN 202401497U CN 2012200132844 U CN2012200132844 U CN 2012200132844U CN 201220013284 U CN201220013284 U CN 201220013284U CN 202401497 U CN202401497 U CN 202401497U
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- sludge discharge
- hydraulic
- negative pressure
- pipe
- pipes
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Application Number | Priority Date | Filing Date | Title |
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CN2012200132844U CN202401497U (zh) | 2012-01-12 | 2012-01-12 | 一种水下排泥装置 |
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CN2012200132844U CN202401497U (zh) | 2012-01-12 | 2012-01-12 | 一种水下排泥装置 |
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CN202401497U true CN202401497U (zh) | 2012-08-29 |
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CN2012200132844U Expired - Fee Related CN202401497U (zh) | 2012-01-12 | 2012-01-12 | 一种水下排泥装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111997127A (zh) * | 2020-08-30 | 2020-11-27 | 哈尔滨工程大学 | 一种用于挖沟机的抽吸回填装置 |
CN114875993A (zh) * | 2019-11-18 | 2022-08-09 | 哈里奇港务局 | 疏浚方法和装置 |
-
2012
- 2012-01-12 CN CN2012200132844U patent/CN202401497U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114875993A (zh) * | 2019-11-18 | 2022-08-09 | 哈里奇港务局 | 疏浚方法和装置 |
CN111997127A (zh) * | 2020-08-30 | 2020-11-27 | 哈尔滨工程大学 | 一种用于挖沟机的抽吸回填装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170310 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20210112 |
|
CF01 | Termination of patent right due to non-payment of annual fee |