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发明名称
摘要
申请公布号
JPS5762481(U)
申请公布日期
1982.04.13
申请号
JP19800138175U
申请日期
1980.09.30
申请人
发明人
分类号
H04N5/60;H04H40/36;H04R5/04;H04S1/00;(IPC1-7):H04N5/60;H04H5/00
主分类号
H04N5/60
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代理人
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