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经营范围
发明名称
Linsenrasterfilm
摘要
申请公布号
DE641203(C)
申请公布日期
1937.02.01
申请号
DE1931S099885D
申请日期
1931.07.19
申请人
OPTICOLOR AKT.-GES.
发明人
FISCHER DR.-ING. FRITZ
分类号
G03C7/14
主分类号
G03C7/14
代理机构
代理人
主权项
地址
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