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发明名称
Perfectionnements apportés aux appareils d'agrandissement, de reproduction et de réduction photographiques
摘要
申请公布号
FR786406(A)
申请公布日期
1935.09.03
申请号
FRD786406
申请日期
1935.02.28
申请人
发明人
LEMAIRE LOUIS
分类号
G03B27/38
主分类号
G03B27/38
代理机构
代理人
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