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发明名称
Perfectionnements aux appareils photographiques à pellicules
摘要
申请公布号
FR768558(A)
申请公布日期
1934.08.08
申请号
FRD768558
申请日期
1934.02.12
申请人
ERNST LEITZ G.M.B.H.
发明人
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
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