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经营范围
发明名称
Purification of petroleum sulphonates
摘要
申请公布号
US1981799(A)
申请公布日期
1934.11.20
申请号
US19320626233
申请日期
1932.07.29
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
BUC HYYM E.
分类号
C07C309/62
主分类号
C07C309/62
代理机构
代理人
主权项
地址
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