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发明名称
摘要
申请公布号
JPS6326194(U)
申请公布日期
1988.02.20
申请号
JP19860120026U
申请日期
1986.08.04
申请人
发明人
分类号
G11B33/12;G10K15/04;G11B33/02;H04R1/02;(IPC1-7):H04R1/02
主分类号
G11B33/12
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