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经营范围
发明名称
Einrichtung zur Projektion von Linsenrasterfilmen
摘要
申请公布号
DE680306(C)
申请公布日期
1939.08.26
申请号
DE1936O022519D
申请日期
1936.08.08
申请人
OPTICOLOR AKT.-GES.
发明人
RAENTSCH DR.-ING. KURT;RETZLAFF HEINZ
分类号
G03B33/14
主分类号
G03B33/14
代理机构
代理人
主权项
地址
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