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发明名称
Photographic process
摘要
申请公布号
US3353957(A)
申请公布日期
1967.11.21
申请号
US19640403329
申请日期
1964.10.12
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
BLAKE RALPH KINGSLEY
分类号
G03C1/492;G03C8/06
主分类号
G03C1/492
代理机构
代理人
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