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发明名称
摘要
申请公布号
JPS448019(Y1)
申请公布日期
1969.03.27
申请号
JP19660017060U
申请日期
1966.02.24
申请人
发明人
分类号
H04R5/02;H04R1/32;H04R5/00;(IPC1-7):H04R5/00
主分类号
H04R5/02
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