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发明名称
Improvements in photographic processes
摘要
申请公布号
GB650659(A)
申请公布日期
1951.02.28
申请号
GB19480033149
申请日期
1948.12.23
申请人
EASTMAN KODAK COMPANY;ROBERT ELIOT STAUFFER;JOHN SPENCE
发明人
分类号
D01H1/00;G03C5/50
主分类号
D01H1/00
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