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发明名称
摘要
申请公布号
JPS5224927(U)
申请公布日期
1977.02.22
申请号
JP19750110728U
申请日期
1975.08.11
申请人
发明人
分类号
H04R9/00;H04R9/06;(IPC1-7):H04R9/06
主分类号
H04R9/00
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