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经营范围
发明名称
Pigment material and process of producing same
摘要
申请公布号
US2254630(A)
申请公布日期
1941.09.02
申请号
US19380211797
申请日期
1938.06.04
申请人
E.I. DU PONT DE NEMOURS & COMPANY
发明人
SULLIVAN ROY W.
分类号
C09C1/36;C09C3/00
主分类号
C09C1/36
代理机构
代理人
主权项
地址
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