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发明名称
Dibenzanthrones
摘要
申请公布号
US2058477(A)
申请公布日期
1936.10.27
申请号
US19330693147
申请日期
1933.10.11
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
LYCAN WILLIAM HIRAM
分类号
C09B3/30
主分类号
C09B3/30
代理机构
代理人
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地址
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