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发明名称
摘要
申请公布号
JP2537627(Y2)
申请公布日期
1997.06.04
申请号
JP19910101313U
申请日期
1991.11.14
申请人
发明人
分类号
C21B7/16;(IPC1-7):C21B7/16
主分类号
C21B7/16
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代理人
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