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发明名称
Procédé d'obtention d'enregistrements sonores sur positifs colorés
摘要
申请公布号
FR697095(A)
申请公布日期
1931.01.12
申请号
FRD697095
申请日期
1930.06.04
申请人
MULTICOLOR FILMS INCORPORATED
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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