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发明名称
摘要
申请公布号
FR2295670(B3)
申请公布日期
1978.08.18
申请号
FR19750034700
申请日期
1975.11.13
申请人
MOSELY JOHN
发明人
分类号
H04R5/02;H04S3/00;(IPC1-7):H04R5/00;G03B31/02
主分类号
H04R5/02
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代理人
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