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发明名称
Photographische Kamera mit einem die Stellglieder fuer Blende und Belichtungszeit miteinander kuppelnden Differentialgetriebe
摘要
申请公布号
DE758694(C)
申请公布日期
1953.01.05
申请号
DE1939M146221D
申请日期
1939.10.10
申请人
MAUL MICHAEL
发明人
MAUL MICHAEL
分类号
G03B7/00
主分类号
G03B7/00
代理机构
代理人
主权项
地址
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