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发明名称
Coated pigment and the preparation thereof
摘要
申请公布号
US2290914(A)
申请公布日期
1942.07.28
申请号
US19390284926
申请日期
1939.07.17
申请人
HIRSCH MACHLIN
发明人
MACHLIN HIRSCH
分类号
C09B67/20
主分类号
C09B67/20
代理机构
代理人
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