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发明名称
摘要
申请公布号
JPH0374138(U)
申请公布日期
1991.07.25
申请号
JP19890133175U
申请日期
1989.11.15
申请人
发明人
分类号
G01R31/02;H01H83/02;H02H3/347;(IPC1-7):H02H3/347
主分类号
G01R31/02
代理机构
代理人
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