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发明名称
Verschlussvorrichtung mit selbsttaetig veraenderlicher OEffnung fuer Kinoapparate
摘要
申请公布号
DE644943(C)
申请公布日期
1937.05.18
申请号
DE1935S117483D
申请日期
1935.03.12
申请人
SOCIETE F. A. C. I. N. (FABRICATION D'APPAREILS DE CINEMATOGRAPHIE)
发明人
分类号
G03B9/10
主分类号
G03B9/10
代理机构
代理人
主权项
地址
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