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发明名称
摘要
申请公布号
JPS5531393(U)
申请公布日期
1980.02.29
申请号
JP19780115548U
申请日期
1978.08.22
申请人
发明人
分类号
H04R7/12;H01Q1/22;H01Q1/38;H04R1/00;(IPC1-7):H04R1/00
主分类号
H04R7/12
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