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发明名称
Beleuchtungseinrichtung für photographische Vergrößerungs- und Reproduktions-Geräte
摘要
申请公布号
AT219415(B)
申请公布日期
1962.01.25
申请号
AT19570005947
申请日期
1957.09.12
申请人
VEB KAMERA- UND KINOWERKE DRESDEN
发明人
分类号
主分类号
代理机构
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