CN2604662Y - 电石炉空心电极系统伸缩套管 - Google Patents
电石炉空心电极系统伸缩套管 Download PDFInfo
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- CN2604662Y CN2604662Y CN 03211384 CN03211384U CN2604662Y CN 2604662 Y CN2604662 Y CN 2604662Y CN 03211384 CN03211384 CN 03211384 CN 03211384 U CN03211384 U CN 03211384U CN 2604662 Y CN2604662 Y CN 2604662Y
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Application Number | Priority Date | Filing Date | Title |
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CN 03211384 CN2604662Y (zh) | 2003-02-13 | 2003-02-13 | 电石炉空心电极系统伸缩套管 |
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CN 03211384 CN2604662Y (zh) | 2003-02-13 | 2003-02-13 | 电石炉空心电极系统伸缩套管 |
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CN2604662Y true CN2604662Y (zh) | 2004-02-25 |
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CN 03211384 Expired - Lifetime CN2604662Y (zh) | 2003-02-13 | 2003-02-13 | 电石炉空心电极系统伸缩套管 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102706137A (zh) * | 2012-06-20 | 2012-10-03 | 柳州市金螺机械有限责任公司 | 矿热炉电极加气连接装置 |
CN103352980A (zh) * | 2013-07-24 | 2013-10-16 | 大连华锐重工集团股份有限公司 | 中空管密封装置 |
-
2003
- 2003-02-13 CN CN 03211384 patent/CN2604662Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102706137A (zh) * | 2012-06-20 | 2012-10-03 | 柳州市金螺机械有限责任公司 | 矿热炉电极加气连接装置 |
CN103352980A (zh) * | 2013-07-24 | 2013-10-16 | 大连华锐重工集团股份有限公司 | 中空管密封装置 |
CN103352980B (zh) * | 2013-07-24 | 2015-07-08 | 大连华锐重工集团股份有限公司 | 中空管密封装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DALIAN HUARUI HEAVY INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: HUARUI CO., LTD., DALIAN Effective date: 20120424 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 116022 DALIAN, LIAONING PROVINCE TO: 116035 DALIAN, LIAONING PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120424 Address after: 116035 No. 78 cement road, Ganjingzi, Liaoning, Dalian Patentee after: Dalian Huarui Heavy Industry Group Co., Ltd. Address before: 116022 No. 10, Hanyang street, Shahekou District, Liaoning, Dalian Patentee before: Huarui Co., Ltd., Dalian |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20130218 Granted publication date: 20040225 |