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发明名称
摘要
申请公布号
JPH0548331(Y2)
申请公布日期
1993.12.24
申请号
JP19890023959U
申请日期
1989.03.02
申请人
发明人
分类号
H01H1/06;G04G21/00;G04G99/00;(IPC1-7):H01H1/06;G04G1/00
主分类号
H01H1/06
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