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发明名称
Lubricating oil
摘要
申请公布号
US2308622(A)
申请公布日期
1943.01.19
申请号
US19390260810
申请日期
1939.03.09
申请人
THE LUBRI-ZOL 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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