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发明名称
Method of toning photographs and composition therefor
摘要
申请公布号
US2659674(A)
申请公布日期
1953.11.17
申请号
US19480019169
申请日期
1948.04.05
申请人
ROBERT HYNDMAN OLAN
发明人
HYNDMAN OLAN ROBERT
分类号
G03C5/46
主分类号
G03C5/46
代理机构
代理人
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