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经营范围
发明名称
Process of coloring granular and other material
摘要
申请公布号
US1898345(A)
申请公布日期
1933.02.21
申请号
US19290367625
申请日期
1929.05.31
申请人
FREDERIC E. SCHUNDLER
发明人
DENNING PAUL S.
分类号
C04B20/10
主分类号
C04B20/10
代理机构
代理人
主权项
地址
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