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发明名称
摘要
申请公布号
JPS5320928(U)
申请公布日期
1978.02.22
申请号
JP19760102402U
申请日期
1976.07.31
申请人
发明人
分类号
H04R1/00;(IPC1-7):H04R1/00
主分类号
H04R1/00
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代理人
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