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经营范围
发明名称
Vorrichtung zur Einstellung von photographischen Apparaten
摘要
申请公布号
DE565996(C)
申请公布日期
1932.12.10
申请号
DED565996D
申请日期
申请人
DR. ANTON CZERWEK
发明人
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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