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发明名称
Einrichtung zur unmittelbaren Aufnahme von Positivbildern
摘要
申请公布号
DE507262(C)
申请公布日期
1930.09.13
申请号
DENDATB144134D
申请日期
申请人
EMIL BUSCH AKT.-GES. OPTISCHE INDUSTRIE
发明人
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
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地址
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