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发明名称
STEEL INGOT MAKING METHOD
摘要
申请公布号
JPS53104529(A)
申请公布日期
1978.09.11
申请号
JP19770019253
申请日期
1977.02.25
申请人
NIPPON STEEL CORP
发明人
KAWAI TSUGUYUKI;NAKAZAWA TAKESHI
分类号
B22D7/00
主分类号
B22D7/00
代理机构
代理人
主权项
地址
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