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经营范围
发明名称
Noncaking pigment
摘要
申请公布号
US2009435(A)
申请公布日期
1935.07.30
申请号
US19320599335
申请日期
1932.03.16
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
COOLIDGE COLE;HOLT HAROLD STEPHENS
分类号
C09C3/00
主分类号
C09C3/00
代理机构
代理人
主权项
地址
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