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发明名称
Direct positive emulsion
摘要
申请公布号
US2184013(A)
申请公布日期
1939.12.19
申请号
US19380186399
申请日期
1938.01.22
申请人
EASTMAN KODAK COMPANY
发明人
LEERMAKERS JOHN A.
分类号
G03C1/485
主分类号
G03C1/485
代理机构
代理人
主权项
地址
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