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发明名称
摘要
申请公布号
JPS4622849(Y1)
申请公布日期
1971.08.07
申请号
JP19680040267U
申请日期
1968.05.16
申请人
发明人
分类号
(IPC1-7):H04R1/08;H04R1/00
主分类号
(IPC1-7):H04R1/08
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