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发明名称
摘要
申请公布号
JPS5980443(U)
申请公布日期
1984.05.31
申请号
JP19820177461U
申请日期
1982.11.24
申请人
发明人
分类号
C21B7/14;(IPC1-7):C21B7/14
主分类号
C21B7/14
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代理人
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