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发明名称
Phenolic color formers
摘要
申请公布号
US2498466(A)
申请公布日期
1950.02.21
申请号
US19460668460
申请日期
1946.05.09
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
THOMPSON HENRY T.
分类号
G03C7/34
主分类号
G03C7/34
代理机构
代理人
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地址
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