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发明名称
HIGH TENSILE STRENGTH STEEL MATERIAL HAVING HIGH TOUGHNESS AND LOW YIELD RATIO AND ITS PRODUCTION
摘要
申请公布号
JPH05125481(A)
申请公布日期
1993.05.21
申请号
JP19910288013
申请日期
1991.11.01
申请人
SUMITOMO METAL IND LTD
发明人
OGATA RYUJI
分类号
C21D1/18;C21D6/00;C21D8/02;C21D9/00;C22C38/00;C22C38/38
主分类号
C21D1/18
代理机构
代理人
主权项
地址
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