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发明名称
摘要
申请公布号
JPS647431(U)
申请公布日期
1989.01.17
申请号
JP19870101109U
申请日期
1987.06.30
申请人
发明人
分类号
G01R31/00;H01H35/00;H03K17/78;(IPC1-7):H03K17/78
主分类号
G01R31/00
代理机构
代理人
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