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发明名称
Vorrichtung zum photographischen Kontaktkopieren von Tonfilmen unter Verwendung von optischen Systemen
摘要
申请公布号
DE591444(C)
申请公布日期
1934.01.22
申请号
DED591444D
申请日期
申请人
TOBIS TONBILD-SYNDIKAT AKT.-GES.
发明人
分类号
G03B27/10;G03B27/72
主分类号
G03B27/10
代理机构
代理人
主权项
地址
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