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发明名称
Anordnung zum Beleuchten der Filmbahn bei Projektoren
摘要
申请公布号
DE643427(C)
申请公布日期
1937.04.08
申请号
DE1935S120112D
申请日期
1935.10.15
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
STEINER OTTO
分类号
G03B1/56
主分类号
G03B1/56
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代理人
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地址
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