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发明名称
摘要
申请公布号
FR2358677(B1)
申请公布日期
1980.03.07
申请号
FR19770002611
申请日期
1977.01.31
申请人
BALDA WERKE PHOTOGRAPHISCHE GERA
发明人
分类号
G03B3/02;G03B13/20;(IPC1-7):G03B5/00
主分类号
G03B3/02
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