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发明名称
摘要
申请公布号
JPS641953(Y2)
申请公布日期
1989.01.18
申请号
JP19840067364U
申请日期
1984.05.08
申请人
发明人
分类号
C22B21/00;F27B3/10;F27D3/15;F27D27/00;(IPC1-7):C22B21/00
主分类号
C22B21/00
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