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发明名称
摘要
申请公布号
JPS574542(Y2)
申请公布日期
1982.01.27
申请号
JP19760033830U
申请日期
1976.03.19
申请人
发明人
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
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代理人
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地址
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