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发明名称
摘要
申请公布号
JPS6229474(Y2)
申请公布日期
1987.07.29
申请号
JP19800128438U
申请日期
1980.09.11
申请人
发明人
分类号
C21C7/10;C22B9/04;(IPC1-7):C21C7/10
主分类号
C21C7/10
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