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经营范围
发明名称
Titanium dioxide pigments
摘要
申请公布号
US2378790(A)
申请公布日期
1945.06.19
申请号
US19390302116
申请日期
1939.10.31
申请人
NATIONAL LEAD COMPANY
发明人
ROBERTSON DURANT W.
分类号
C09C1/36
主分类号
C09C1/36
代理机构
代理人
主权项
地址
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