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发明名称
Procédé pour l'établissement d'enregistrements sonores photographiques sur des films
摘要
申请公布号
FR753167(A)
申请公布日期
1933.10.09
申请号
FRD753167
申请日期
1933.03.27
申请人
SIEMENS & HALSKE AKTIEN-GESELLSCHAFT
发明人
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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