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经营范围
发明名称
TEMPERED-TYPE HIGH-TENSILE STEEL HAVING SUPERIOR TOUGHNESS AT LOW TEMPERATURE IN WELD ZONE
摘要
申请公布号
JPS63440(A)
申请公布日期
1988.01.05
申请号
JP19860141465
申请日期
1986.06.19
申请人
NIPPON STEEL CORP
发明人
CHIBA HIDETAKA;GOKYU HIROSHI;YAMABA RYOTA
分类号
C22C38/00;C22C38/58
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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