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发明名称
Kombinierter Ton- und Bildteilprojektor
摘要
申请公布号
DE849954(C)
申请公布日期
1952.09.18
申请号
DE1950E002045
申请日期
1950.09.03
申请人
EHRENHAFT FRANZ F.
发明人
EHRENHAFT FRANZ F.
分类号
G03B31/00
主分类号
G03B31/00
代理机构
代理人
主权项
地址
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