CN1234898C - 一种钙硫锡系复合易切削钢及其冶炼工艺 - Google Patents
一种钙硫锡系复合易切削钢及其冶炼工艺 Download PDFInfo
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- CN1234898C CN1234898C CN 03136921 CN03136921A CN1234898C CN 1234898 C CN1234898 C CN 1234898C CN 03136921 CN03136921 CN 03136921 CN 03136921 A CN03136921 A CN 03136921A CN 1234898 C CN1234898 C CN 1234898C
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- steel
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- free
- cutting steel
- deoxidation
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Application Number | Priority Date | Filing Date | Title |
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CN 03136921 CN1234898C (zh) | 2003-06-02 | 2003-06-02 | 一种钙硫锡系复合易切削钢及其冶炼工艺 |
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CN 03136921 CN1234898C (zh) | 2003-06-02 | 2003-06-02 | 一种钙硫锡系复合易切削钢及其冶炼工艺 |
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Publication Number | Publication Date |
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CN1456700A CN1456700A (zh) | 2003-11-19 |
CN1234898C true CN1234898C (zh) | 2006-01-04 |
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CN 03136921 Expired - Fee Related CN1234898C (zh) | 2003-06-02 | 2003-06-02 | 一种钙硫锡系复合易切削钢及其冶炼工艺 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101368225B (zh) * | 2008-09-28 | 2010-10-13 | 舞阳钢铁有限责任公司 | 加硫易切削塑料模具钢的冶炼方法 |
CN105779907A (zh) * | 2016-03-19 | 2016-07-20 | 上海大学 | 一种含镁钙的易切削钢及生产工艺 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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ASS | Succession or assignment of patent right |
Owner name: BEIJING UNIV. OF SCIENCE AND TECHNOLOGY Effective date: 20040709 Owner name: LAIWU IRON & STEEL GROUP CO., LTD. Free format text: FORMER OWNER: BEIJING UNIV. OF SCIENCE AND TECHNOLOGY |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040709 Address after: 271104 Shandong Laiwu Steel Group Ltd technology center, Laiwu iron and steel area, Shandong, China Applicant after: Laiwu Iron & Steel Group Corp., Ltd. Co-applicant after: University of Science and Technology Beijing Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Applicant before: University of Science and Technology Beijing |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |