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发明名称
Lubricating oils
摘要
申请公布号
US2460301(A)
申请公布日期
1949.02.01
申请号
US19450585806
申请日期
1945.03.30
申请人
THE LUBRIZOL DEVELOPMENT CORPORATION
发明人
LINCOLN BERT H.;BYRKIT GORDON D.
分类号
主分类号
代理机构
代理人
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