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发明名称
摘要
申请公布号
JPS56102193(U)
申请公布日期
1981.08.11
申请号
JP19790185445U
申请日期
1979.12.29
申请人
发明人
分类号
H04R1/38;H04R1/40;H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R1/38
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代理人
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