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发明名称
Wiedergabeapparat fuer Ton- oder Bildfilm
摘要
申请公布号
DE678231(C)
申请公布日期
1939.07.11
申请号
DE1935I052372D
申请日期
1935.05.19
申请人
I.G. FARBENINDUSTRIE AKT.-GES.
发明人
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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