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发明名称
Fotografisches Matewrial
摘要
申请公布号
DE1772424(A1)
申请公布日期
1970.10.22
申请号
DE19681772424
申请日期
1968.05.14
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
LAWRENCE SCAVRON,CHARLES
分类号
G03C1/34
主分类号
G03C1/34
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代理人
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