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发明名称
摘要
申请公布号
JPS5239286(B1)
申请公布日期
1977.10.04
申请号
JP19760117252
申请日期
1976.10.01
申请人
发明人
分类号
H04R7/02;H04R7/00;H04R31/00;(IPC1-7):H04R7/00
主分类号
H04R7/02
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