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经营范围
发明名称
Production of higher quality lubricating oil stocks
摘要
申请公布号
US2889262(A)
申请公布日期
1959.06.02
申请号
US19550535042
申请日期
1955.09.19
申请人
THE PURE OIL COMPANY
发明人
PORTER CHARLES A.;SAMUELSON DONALD G.;HOLM LE ROY W.
分类号
C10G21/00
主分类号
C10G21/00
代理机构
代理人
主权项
地址
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