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发明名称
摘要
申请公布号
JPH0178960(U)
申请公布日期
1989.05.26
申请号
JP19870175999U
申请日期
1987.11.18
申请人
发明人
分类号
G01R31/00;(IPC1-7):G01R31/00
主分类号
G01R31/00
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代理人
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