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发明名称
摘要
申请公布号
JPH02105173(U)
申请公布日期
1990.08.21
申请号
JP19890012960U
申请日期
1989.02.06
申请人
发明人
分类号
G01R31/02;(IPC1-7):G01R31/02
主分类号
G01R31/02
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