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经营范围
发明名称
Rollfilmkamera
摘要
申请公布号
DE585976(C)
申请公布日期
1933.10.18
申请号
DE1931N032293D
申请日期
1931.06.26
申请人
DR. AUGUST NAGEL
发明人
分类号
G03B17/42
主分类号
G03B17/42
代理机构
代理人
主权项
地址
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