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发明名称
摘要
申请公布号
JPS5652718(Y2)
申请公布日期
1981.12.08
申请号
JP19770100483U
申请日期
1977.07.27
申请人
发明人
分类号
H04R9/06;H04R1/22;H04R1/28;H04R7/12;(IPC1-7):H04R9/06
主分类号
H04R9/06
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