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发明名称
Improvements in and relating to photographic materials
摘要
申请公布号
GB540366(A)
申请公布日期
1941.10.15
申请号
GB19390032967
申请日期
1939.12.29
申请人
EASTMAN KODAK COMPANY
发明人
分类号
G03C1/835;G03C7/388
主分类号
G03C1/835
代理机构
代理人
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