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发明名称
摘要
申请公布号
FR2147146(B1)
申请公布日期
1978.02.10
申请号
FR19720026619
申请日期
1972.07.24
申请人
SONY CORP
发明人
分类号
H03G9/18;(IPC1-7):H04B15/00;H03H7/00
主分类号
H03G9/18
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