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经营范围
发明名称
Purification of neutral or basic organic sulfonates
摘要
申请公布号
US2800503(A)
申请公布日期
1957.07.23
申请号
US19540473454
申请日期
1954.12.06
申请人
THE PURE OIL COMPANY
发明人
CROSBY GIFFORD W.;HUTCHINGS LE ROL E.
分类号
C07C303/44;C07C309/62
主分类号
C07C303/44
代理机构
代理人
主权项
地址
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