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发明名称
Feuilles sensibles et procédés pour l'obtention d'images photographiques
摘要
申请公布号
FR975423(A)
申请公布日期
1951.03.05
申请号
FRD975423
申请日期
1948.11.24
申请人
INSTITUT PHOTOGRAPHIQUE DE BELGIQUE
发明人
分类号
B21H9/02;G03C1/61
主分类号
B21H9/02
代理机构
代理人
主权项
地址
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