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发明名称
摘要
申请公布号
JPS5432980(Y2)
申请公布日期
1979.10.12
申请号
JP19750060993U
申请日期
1975.05.08
申请人
发明人
分类号
C21B7/12;F27B1/20;(IPC1-7):C21B7/12
主分类号
C21B7/12
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