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发明名称
Bildwerfer mit einer selbsttaetigen Bildwechseleinrichtung zur Vorfuehrung von Einzeldiapositiven
摘要
申请公布号
DE698753(C)
申请公布日期
1940.11.16
申请号
DE193900D9864D
申请日期
1939.02.15
申请人
PAUL DUFEK
发明人
DUFEK PAUL
分类号
G03B23/04
主分类号
G03B23/04
代理机构
代理人
主权项
地址
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