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发明名称
Perfectionnements à la production d'épreuves photographiques diazotypes
摘要
申请公布号
FR779716(A)
申请公布日期
1935.04.11
申请号
FRD779716
申请日期
1934.09.10
申请人
S. C. & P. HARDING, LIMITED
发明人
分类号
G03C1/61
主分类号
G03C1/61
代理机构
代理人
主权项
地址
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