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经营范围
发明名称
ORE RECEIVING IRONWARE FOR BLAST FURNACE
摘要
申请公布号
JPH03202411(A)
申请公布日期
1991.09.04
申请号
JP19890341861
申请日期
1989.12.29
申请人
NKK CORP
发明人
ARAKI TSUNEO;SAKAI ATSUSHI
分类号
C21B7/20
主分类号
C21B7/20
代理机构
代理人
主权项
地址
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