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发明名称
Improved lead chromate pigments and their manufacture
摘要
申请公布号
GB511542(A)
申请公布日期
1939.08.21
申请号
GB19380005480
申请日期
1938.02.21
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
C09C1/20
主分类号
C09C1/20
代理机构
代理人
主权项
地址
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