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发明名称
Verfahren und Vorrichtung zur Herstellung von Baelgen o. dgl. fuer photographische Zwecke
摘要
申请公布号
DE569100(C)
申请公布日期
1933.01.28
申请号
DE1931I041282D
申请日期
1931.04.16
申请人
I. G. FARBENINDUSTRIE AKT.-GES.
发明人
SACHS ERNST
分类号
G03B17/04
主分类号
G03B17/04
代理机构
代理人
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