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发明名称
Perfectionnements dans les appareils d'agrandissements photographiques
摘要
申请公布号
FR865979(A)
申请公布日期
1941.06.11
申请号
FRD865979
申请日期
1940.06.01
申请人
发明人
ILYENKO ALEXANDRE;WAGENR MARCEL
分类号
G03B27/36
主分类号
G03B27/36
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