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摘要
申请公布号
JPS59144981(U)
申请公布日期
1984.09.27
申请号
JP19830038126U
申请日期
1983.03.16
申请人
发明人
分类号
H04R1/00;B06B1/02;B06B1/04;(IPC1-7):H04R1/00
主分类号
H04R1/00
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