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发明名称
Perfectionnements aux haut-parleurs
摘要
申请公布号
FR1112359(A)
申请公布日期
1956.03.13
申请号
FRD1112359
申请日期
1954.05.10
申请人
LES INDUSTRIES MUSICALES ET ELECTRIQUES PATHE MARCONI
发明人
分类号
H04R19/00
主分类号
H04R19/00
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