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发明名称
摘要
申请公布号
JPS5411692(B2)
申请公布日期
1979.05.17
申请号
JP19740120133
申请日期
1974.10.17
申请人
发明人
分类号
H04R9/02;H04R9/06
主分类号
H04R9/02
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代理人
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