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发明名称
摘要
申请公布号
JPH0226887(U)
申请公布日期
1990.02.21
申请号
JP19880105160U
申请日期
1988.08.09
申请人
发明人
分类号
G11B33/12;H04R1/02;(IPC1-7):H04R1/02
主分类号
G11B33/12
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