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发明名称
Photographische Kamera mit das Bildfeld begrenzenden miteinander verbundenen Klappen
摘要
申请公布号
DE609361(C)
申请公布日期
1935.02.13
申请号
DE1933F076528D
申请日期
1933.11.11
申请人
PAUL FRANKE;REINHOLD HEIDECKE
发明人
分类号
G03B17/12
主分类号
G03B17/12
代理机构
代理人
主权项
地址
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