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发明名称
METHOD FOR TAPPING MOLTEN METAL
摘要
申请公布号
JPH03236414(A)
申请公布日期
1991.10.22
申请号
JP19900031183
申请日期
1990.02.09
申请人
NIPPON STEEL CORP
发明人
SUMITA MORIHIRO
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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