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发明名称
摘要
申请公布号
JPS62198257(U)
申请公布日期
1987.12.17
申请号
JP19860086973U
申请日期
1986.06.06
申请人
发明人
分类号
C21C5/48;C21C7/072;(IPC1-7):C21C7/072
主分类号
C21C5/48
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代理人
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