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发明名称
Vorrichtung zur Erzeugung plastischer Bilder
摘要
申请公布号
DE529662(C)
申请公布日期
1933.10.27
申请号
DE1929K114523D
申请日期
1929.04.30
申请人
DR.-ING. GUSTAV KOEGEL
发明人
分类号
G02B27/22
主分类号
G02B27/22
代理机构
代理人
主权项
地址
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