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发明名称
Perfectionnements relatifs aux papiers photographiques
摘要
申请公布号
FR1060367(A)
申请公布日期
1954.04.01
申请号
FRD1060367
申请日期
1952.07.18
申请人
发明人
PUICHAFFRAY LOUIS-ALEXANDRE
分类号
G03C1/775
主分类号
G03C1/775
代理机构
代理人
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