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发明名称
摘要
申请公布号
JPS6349024(Y2)
申请公布日期
1988.12.16
申请号
JP19830129770U
申请日期
1983.08.24
申请人
发明人
分类号
H04R1/00;A47C7/40;B60R11/02;H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/00
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