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发明名称
摘要
申请公布号
JPH0216695(U)
申请公布日期
1990.02.02
申请号
JP19880096081U
申请日期
1988.07.20
申请人
发明人
分类号
H04R1/02;H04R1/32;(IPC1-7):H04R1/32
主分类号
H04R1/02
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代理人
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