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发明名称
摘要
申请公布号
JPS42961(Y1)
申请公布日期
1967.01.20
申请号
JP19650024404U
申请日期
1965.03.26
申请人
发明人
分类号
H04R1/00;H04R1/08;(IPC1-7):H04R1/08
主分类号
H04R1/00
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