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经营范围
发明名称
BLASTTFURNACE OPERATING METHOD
摘要
申请公布号
JPS53118217(A)
申请公布日期
1978.10.16
申请号
JP19770033655
申请日期
1977.03.26
申请人
SUMITOMO METAL IND
发明人
HATANO MICHIHARU;YAMAOKA HIDEYUKI;YAMAGATA CHISATO
分类号
C21B5/00
主分类号
C21B5/00
代理机构
代理人
主权项
地址
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