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经营范围
发明名称
Einstellvorrichtung fuer Kameras
摘要
申请公布号
DE492543(C)
申请公布日期
1930.02.26
申请号
DENDATN029068D
申请日期
申请人
DR. AUGUST NAGEL
发明人
分类号
G03B3/00
主分类号
G03B3/00
代理机构
代理人
主权项
地址
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