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经营范围
发明名称
Lanterne de projection cinématographique pour projection en relief sur film normal 35 mm.
摘要
申请公布号
BE609171(A1)
申请公布日期
1962.02.01
申请号
BE19610609171
申请日期
1961.10.13
申请人
OSCAR CHARLES
发明人
OSCAR CHARLES
分类号
(IPC1-7):G03B
主分类号
(IPC1-7):G03B
代理机构
代理人
主权项
地址
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