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发明名称
摘要
申请公布号
JPS5416406(B2)
申请公布日期
1979.06.22
申请号
JP19730092386
申请日期
1973.08.20
申请人
发明人
分类号
H04R1/34;H04R1/22
主分类号
H04R1/34
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代理人
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地址
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