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发明名称
Vorrichtung zum selbsttaetigen Projizieren von Diapositiven
摘要
申请公布号
DE621222(C)
申请公布日期
1935.11.02
申请号
DE1933P067776D
申请日期
1933.07.01
申请人
DR. FRANZ PLESKOT
发明人
分类号
G03B23/10
主分类号
G03B23/10
代理机构
代理人
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地址
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