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发明名称
Azo dyestuff
摘要
申请公布号
US2346790(A)
申请公布日期
1944.04.18
申请号
US19410394853
申请日期
1941.05.23
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
ROSSANDER SWANIE S.;SPARKS CHILES E.;JR. CARL W. MAYNARD,
分类号
D06P1/647;D06P1/653;D06P3/68
主分类号
D06P1/647
代理机构
代理人
主权项
地址
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