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发明名称
Lubricating oil composition
摘要
申请公布号
US2425747(A)
申请公布日期
1947.08.19
申请号
US19400344232
申请日期
1940.07.06
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
LIEBER EUGENE;THORNER MARVIN E.
分类号
主分类号
代理机构
代理人
主权项
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