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发明名称
Bildtafel Für eine Vorrichtung zur Vorführung verschiedener Bilder, Schriften, Anzeigen od. dgl.
摘要
申请公布号
AT223078(B)
申请公布日期
1962.08.27
申请号
AT19580005826
申请日期
1958.08.20
申请人
VICTOR EL VESTROM
发明人
VICTOR EL VESTROM
分类号
主分类号
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