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发明名称
摘要
申请公布号
JPH02138836(U)
申请公布日期
1990.11.20
申请号
JP19890048418U
申请日期
1989.04.25
申请人
发明人
分类号
H01H51/22;H02P1/22;(IPC1-7):H01H51/22
主分类号
H01H51/22
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代理人
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