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发明名称
摘要
申请公布号
JPH0233279(Y2)
申请公布日期
1990.09.07
申请号
JP19830022063U
申请日期
1983.02.17
申请人
发明人
分类号
H04R25/00;G10K11/22;(IPC1-7):G10K11/22
主分类号
H04R25/00
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