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发明名称
摘要
申请公布号
JPS4425814(Y1)
申请公布日期
1969.10.29
申请号
JP19660016530U
申请日期
1966.02.23
申请人
发明人
分类号
H04R1/00;H04R1/04;(IPC1-7):H04R1/04
主分类号
H04R1/00
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