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发明名称
摘要
申请公布号
JPH0193812(U)
申请公布日期
1989.06.20
申请号
JP19870189532U
申请日期
1987.12.15
申请人
发明人
分类号
H03B19/00;H03B21/00;(IPC1-7):H03B21/00
主分类号
H03B19/00
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代理人
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