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发明名称
摘要
申请公布号
FR2250133(B3)
申请公布日期
1977.08.05
申请号
FR19740036689
申请日期
1974.11.05
申请人
PENTACON DRESDEN KAMERA KINOWERK
发明人
分类号
G03B17/30;(IPC1-7):G03B17/30;G03C3/00
主分类号
G03B17/30
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