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摘要
申请公布号
JPS5970535(U)
申请公布日期
1984.05.14
申请号
JP19820167338U
申请日期
1982.11.02
申请人
发明人
分类号
H04R1/00;A47B23/00;G10K15/04;G11B27/34;(IPC1-7):A47B23/00
主分类号
H04R1/00
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