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发明名称
Mit Hilfe photographischer Aufnahmen gefertigte Negative
摘要
申请公布号
DE483893(C)
申请公布日期
1930.05.13
申请号
DE1926E033751D
申请日期
1926.02.16
申请人
EMIL EDUARD ECKARDT
发明人
分类号
G03C1/95
主分类号
G03C1/95
代理机构
代理人
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地址
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