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发明名称
摘要
申请公布号
JPS5580997(U)
申请公布日期
1980.06.04
申请号
JP19780164112U
申请日期
1978.11.28
申请人
发明人
分类号
H04R13/00;(IPC1-7):H04R13/00
主分类号
H04R13/00
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代理人
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