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发明名称
摘要
申请公布号
JPH03105023(U)
申请公布日期
1991.10.31
申请号
JP19900013147U
申请日期
1990.02.15
申请人
发明人
分类号
H03F1/30;H03G3/02;(IPC1-7):H03G3/02
主分类号
H03F1/30
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代理人
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