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发明名称
Dispositif de commande électromagnétique pour haut-parleur.
摘要
申请公布号
CH152288(A)
申请公布日期
1932.01.31
申请号
CHD152288
申请日期
1930.04.24
申请人
FARRAND INDUCTOR CORPORATION
发明人
CORPORATION FARRAND INDUCTOR
分类号
H04R11/02
主分类号
H04R11/02
代理机构
代理人
主权项
地址
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