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发明名称
Verfahren zur Fernuebertragung von Tonfilmen
摘要
申请公布号
DE520201(C)
申请公布日期
1931.03.09
申请号
DE1929T036554D
申请日期
1929.03.13
申请人
TELEHOR AKT.-GES.
发明人
分类号
H04N3/36
主分类号
H04N3/36
代理机构
代理人
主权项
地址
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