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发明名称
摘要
申请公布号
JPS5739186(U)
申请公布日期
1982.03.02
申请号
JP19800115709U
申请日期
1980.08.15
申请人
发明人
分类号
H04R1/28;G10K11/16;H04R1/10;(IPC1-7):H04R1/10
主分类号
H04R1/28
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代理人
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