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发明名称
摘要
申请公布号
JPS5222262(Y2)
申请公布日期
1977.05.21
申请号
JP19720058724U
申请日期
1972.05.19
申请人
发明人
分类号
H04R19/00;H04R1/10;(IPC1-7):H04R19/00
主分类号
H04R19/00
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