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发明名称
PREPARATION OF HIGH TENSILE STRENGTH STEEL PLATE HAVING GOOD OUGHNESS AND STRENGTH
摘要
申请公布号
KR1019920008685(B1)
申请公布日期
1992.10.08
申请号
KR1019900021986
申请日期
1990.12.27
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发明人
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主分类号
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