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发明名称
摘要
申请公布号
JPS5518833(U)
申请公布日期
1980.02.06
申请号
JP19780100438U
申请日期
1978.07.20
申请人
发明人
分类号
H04R1/02;H04R1/06;H04R9/06;(IPC1-7):H04R1/02
主分类号
H04R1/02
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代理人
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