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发明名称
摘要
申请公布号
JPS4424948(Y1)
申请公布日期
1969.10.20
申请号
JP19660005231U
申请日期
1966.01.24
申请人
发明人
分类号
H04R9/02;H04R9/06;(IPC1-7):H04R9/06
主分类号
H04R9/02
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