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经营范围
发明名称
Dyestuff of the triphenyl methane series
摘要
申请公布号
US1830835(A)
申请公布日期
1931.11.10
申请号
US19290355439
申请日期
1929.04.15
申请人
GENERAL ANILINE WORKS, INC.
发明人
GROTOWSKY HANS
分类号
C09B11/12
主分类号
C09B11/12
代理机构
代理人
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