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发明名称
Verfahren zur Herstellung eines Klischees fuer den Druck von Tonaufzeichnungen
摘要
申请公布号
DE650489(C)
申请公布日期
1937.09.25
申请号
DE1934T048015D
申请日期
1934.09.03
申请人
Telefunken Gesellschaft für drahtlose Telegraphie m.b.H.
发明人
Dr. Albert Narath
分类号
G03C7/24
主分类号
G03C7/24
代理机构
代理人
主权项
地址
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