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发明名称
Photographic masking
摘要
申请公布号
US2355636(A)
申请公布日期
1944.08.15
申请号
US19420446086
申请日期
1942.06.06
申请人
EASTMAN KODAK COMPANY
发明人
EVANS RALPH M.
分类号
G03C7/18
主分类号
G03C7/18
代理机构
代理人
主权项
地址
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