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发明名称
Einrichtung zum Erzielen plastischer Lichtbilder
摘要
申请公布号
DE529663(C)
申请公布日期
1932.03.08
申请号
DE1929K113285D
申请日期
1929.01.31
申请人
DR.-ING. GUSTAV KOEGEL
发明人
分类号
G03B21/606
主分类号
G03B21/606
代理机构
代理人
主权项
地址
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