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发明名称
摘要
申请公布号
JPS6139143(U)
申请公布日期
1986.03.12
申请号
JP19840119631U
申请日期
1984.08.03
申请人
发明人
分类号
C21C7/072;C21C7/04;(IPC1-7):C21C7/04
主分类号
C21C7/072
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