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发明名称
Process of color developing with 2-thiohydantoin derivatives
摘要
申请公布号
US2551134(A)
申请公布日期
1951.05.01
申请号
US19470748339
申请日期
1947.05.15
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
JENNINGS ANDREW BRADSHAW
分类号
G03C7/38
主分类号
G03C7/38
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代理人
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地址
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