CN1092075C - 连续式铁粉过滤除氧的方法及连续式铁粉过滤除氧器 - Google Patents
连续式铁粉过滤除氧的方法及连续式铁粉过滤除氧器 Download PDFInfo
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- CN1092075C CN1092075C CN97118198A CN97118198A CN1092075C CN 1092075 C CN1092075 C CN 1092075C CN 97118198 A CN97118198 A CN 97118198A CN 97118198 A CN97118198 A CN 97118198A CN 1092075 C CN1092075 C CN 1092075C
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- valve
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN97118198A CN1092075C (zh) | 1997-11-18 | 1997-11-18 | 连续式铁粉过滤除氧的方法及连续式铁粉过滤除氧器 |
Applications Claiming Priority (1)
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CN97118198A CN1092075C (zh) | 1997-11-18 | 1997-11-18 | 连续式铁粉过滤除氧的方法及连续式铁粉过滤除氧器 |
Publications (2)
Publication Number | Publication Date |
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CN1187379A CN1187379A (zh) | 1998-07-15 |
CN1092075C true CN1092075C (zh) | 2002-10-09 |
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CN97118198A Expired - Fee Related CN1092075C (zh) | 1997-11-18 | 1997-11-18 | 连续式铁粉过滤除氧的方法及连续式铁粉过滤除氧器 |
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CN (1) | CN1092075C (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106925004A (zh) * | 2017-05-09 | 2017-07-07 | 启东市恒盛仪表设备有限公司 | 一种全自动双桶曝气式过滤器 |
CN110115871A (zh) * | 2019-05-24 | 2019-08-13 | 四川宜科纯水设备有限公司 | 一种积木式大容量滤柱组件、大容量净水器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190534A (en) * | 1978-05-08 | 1980-02-26 | Armco Steel Corporation | Waste water filtration and sludge removal system |
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1997
- 1997-11-18 CN CN97118198A patent/CN1092075C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4190534A (en) * | 1978-05-08 | 1980-02-26 | Armco Steel Corporation | Waste water filtration and sludge removal system |
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CN1187379A (zh) | 1998-07-15 |
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Legal Events
Date | Code | Title | Description |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Address after: Sichuan Jingu Village Road No. 118 610036 Chengdu chadianzi Chengdu energy saving water softening equipment factory Applicant after: Zhang Fuhua Inventor after: Pan Yueqin Address before: 311100 Zhejiang Hangzhou science and Technology Commission, hospital office Applicant before: Shen Baokang Inventor before: Pan Baijiang |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: PAN BAIJIANG TO: PAN YUEQIN |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Effective date of registration: 20070815 Pledge (preservation): Pledge |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20110503 Granted publication date: 20021009 Pledgee: Chengdu joint venture Company limited by guarantee Pledgor: Zhang Fuhua Registration number: 2007510000382 |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021009 Termination date: 20121118 |