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发明名称
Procédé d'enregistrement photographique de son par copie de l'enregistrement mécanique du son
摘要
申请公布号
FR896400(A)
申请公布日期
1945.02.20
申请号
FRD896400
申请日期
1943.07.15
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
主权项
地址
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