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发明名称
摘要
申请公布号
JPH0268590(U)
申请公布日期
1990.05.24
申请号
JP19880148204U
申请日期
1988.11.14
申请人
发明人
分类号
H04R1/22;(IPC1-7):H04R1/22
主分类号
H04R1/22
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