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发明名称
摘要
申请公布号
JPS5626390(Y2)
申请公布日期
1981.06.23
申请号
JP19760120688U
申请日期
1976.09.08
申请人
发明人
分类号
A61F11/08;H04R1/10;(IPC1-7):H04R1/10;A61F11/02
主分类号
A61F11/08
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