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发明名称
Preparation of magnesium ferrite pigment
摘要
申请公布号
US2502130(A)
申请公布日期
1950.03.28
申请号
US19470771382
申请日期
1947.08.29
申请人
COLUMBIAN CARBON COMPANY
发明人
DOWNS CHARLES D.;MARTIN JOHN
分类号
C09C1/22
主分类号
C09C1/22
代理机构
代理人
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