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发明名称
摘要
申请公布号
JPH0421092(U)
申请公布日期
1992.02.21
申请号
JP19900060739U
申请日期
1990.06.08
申请人
发明人
分类号
G01R15/06;G01R15/04;H01T4/02;(IPC1-7):H01T4/02
主分类号
G01R15/06
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