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摘要
申请公布号
JPS57171371(U)
申请公布日期
1982.10.28
申请号
JP19810059640U
申请日期
1981.04.23
申请人
发明人
分类号
H04R1/00;H04R1/46;H04R13/00;(IPC1-7):H04R1/00
主分类号
H04R1/00
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