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发明名称
摘要
申请公布号
JPH042937(U)
申请公布日期
1992.01.10
申请号
JP19900042811U
申请日期
1990.04.20
申请人
发明人
分类号
G01R19/165;G08B21/00;H02H3/08;(IPC1-7):H02H3/08
主分类号
G01R19/165
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代理人
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