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经营范围
发明名称
Purification of crude aromatic compounds
摘要
申请公布号
US1892771(A)
申请公布日期
1933.01.03
申请号
US19290397738
申请日期
1929.10.05
申请人
THE SELDEN COMPANY
发明人
JAEGER ALPHONS O.;DANIELS LLOYD C.
分类号
C07C7/00
主分类号
C07C7/00
代理机构
代理人
主权项
地址
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