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发明名称
Vorrichtung zur Vorführung von Anzeigen.
摘要
申请公布号
CH196842(A)
申请公布日期
1938.03.31
申请号
CHD196842
申请日期
1936.09.09
申请人
WARNECKE PAUL DR.
发明人
DR. WARNECKE PAUL
分类号
G04B19/20;G04B19/24;G04B19/243
主分类号
G04B19/20
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代理人
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