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发明名称
Intermediates of the dibenzanthrone series and process of making them
摘要
申请公布号
US2251559(A)
申请公布日期
1941.08.05
申请号
US19400364357
申请日期
1940.11.05
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
WHELEN MYRON S.
分类号
C09B3/12;C09B3/22
主分类号
C09B3/12
代理机构
代理人
主权项
地址
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