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发明名称
Disubstituted guanidine salts of metalliferous azo dyes
摘要
申请公布号
US2165034(A)
申请公布日期
1939.07.04
申请号
US19370153515
申请日期
1937.07.14
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
DAUDT HERBERT W.;HANNUM CHESTER W.
分类号
C09B45/48
主分类号
C09B45/48
代理机构
代理人
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地址
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