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发明名称
摘要
申请公布号
JPS53204(Y1)
申请公布日期
1978.01.06
申请号
JP19700035460U
申请日期
1970.04.14
申请人
发明人
分类号
H04R9/02;H04R9/00;(IPC1-7):H04R9/00
主分类号
H04R9/02
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代理人
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