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发明名称
摘要
申请公布号
JPS5458119(U)
申请公布日期
1979.04.21
申请号
JP19770132302U
申请日期
1977.09.30
申请人
发明人
分类号
H04R1/30;(IPC1-7):H04R1/30
主分类号
H04R1/30
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代理人
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