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发明名称
摘要
申请公布号
JPH02111905(U)
申请公布日期
1990.09.07
申请号
JP19890019402U
申请日期
1989.02.21
申请人
发明人
分类号
H03F3/21;H01P5/08;H03F3/213;H03F3/60;(IPC1-7):H01P5/08
主分类号
H03F3/21
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