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发明名称
Haut-parleur électro-dynamique
摘要
申请公布号
FR1145557(A)
申请公布日期
1957.10.28
申请号
FRD1145557
申请日期
1956.03.07
申请人
SOCIETE AUDAX
发明人
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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