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发明名称
摘要
申请公布号
JPH0662699(U)
申请公布日期
1994.09.02
申请号
JP19930001953U
申请日期
1993.01.28
申请人
发明人
分类号
H04R13/00;G10K9/13;(IPC1-7):H04R13/00
主分类号
H04R13/00
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