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发明名称
摘要
申请公布号
JPS6316220(Y2)
申请公布日期
1988.05.09
申请号
JP19820021971U
申请日期
1982.02.17
申请人
发明人
分类号
H04R1/00;H04R1/30;(IPC1-7):H04R1/00
主分类号
H04R1/00
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