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发明名称
摘要
申请公布号
JPS6425775(U)
申请公布日期
1989.02.13
申请号
JP19870120552U
申请日期
1987.08.05
申请人
发明人
分类号
G01R31/26;(IPC1-7):G01R31/26
主分类号
G01R31/26
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代理人
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