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发明名称
摘要
申请公布号
JPS5433602(U)
申请公布日期
1979.03.05
申请号
JP19770106790U
申请日期
1977.08.10
申请人
发明人
分类号
H04R9/12;H04R9/16;(IPC1-7):H04R9/16
主分类号
H04R9/12
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