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发明名称
摘要
申请公布号
FR2110701(A5)
申请公布日期
1972.06.02
申请号
FR19700038751
申请日期
1970.10.27
申请人
MOTTOULLE JEAN PIERRE
发明人
分类号
H04R1/32;(IPC1-7):G10K11/00
主分类号
H04R1/32
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