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发明名称
Dispositif pour la production d'oscillations de renversement en vue de la production électrique de musique notamment pour la reproduction par haut-parleur
摘要
申请公布号
FR749092(A)
申请公布日期
1933.07.18
申请号
FRD749092
申请日期
1933.01.14
申请人
ALLGEMEINE ELEKTRICITATS-GESELLSCHAFT
发明人
分类号
G10H5/10
主分类号
G10H5/10
代理机构
代理人
主权项
地址
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