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发明名称
摘要
申请公布号
JPS53116273(U)
申请公布日期
1978.09.16
申请号
JP19770021186U
申请日期
1977.02.23
申请人
发明人
分类号
G01R31/26;G01R31/28;G01R31/316;(IPC1-7):G01R31/26
主分类号
G01R31/26
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代理人
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