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经营范围
发明名称
Montage pour la commande de haut-parleurs à condensateur
摘要
申请公布号
FR42277(E)
申请公布日期
1933.06.21
申请号
FRD42277
申请日期
1932.04.22
申请人
发明人
VOGT HANS
分类号
H04R19/02
主分类号
H04R19/02
代理机构
代理人
主权项
地址
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