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经营范围
发明名称
Refining lubricating oils
摘要
申请公布号
US2848384(A)
申请公布日期
1958.08.19
申请号
US19550516424
申请日期
1955.06.20
申请人
SUN OIL COMPANY
发明人
FEAR JAMES VAN DYCK
分类号
C10G53/08
主分类号
C10G53/08
代理机构
代理人
主权项
地址
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