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发明名称
Toning photographic material
摘要
申请公布号
US2268508(A)
申请公布日期
1941.12.30
申请号
US19390308108
申请日期
1939.12.08
申请人
AMERICAN CYANAMID COMPANY
发明人
HAM GARNET PHILIP
分类号
G03C5/46
主分类号
G03C5/46
代理机构
代理人
主权项
地址
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