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发明名称
Rollfilmkamera mit Mattscheibeneinstellung
摘要
申请公布号
DE920766(C)
申请公布日期
1954.11.29
申请号
DE1952N005779
申请日期
1952.07.12
申请人
KAETHE MAYER;CHARLOTTE HUBER
发明人
NOWITZKI PAUL
分类号
G03B17/44
主分类号
G03B17/44
代理机构
代理人
主权项
地址
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