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发明名称
Lubricating oil
摘要
申请公布号
US2146543(A)
申请公布日期
1939.02.07
申请号
US19380221834
申请日期
1938.07.28
申请人
SOCONY-VACUUM OIL COMPANY, INCORPORATED
发明人
JAMES WILLIAM H.;MORAN ROBERT C.;EVERS WILLIAM L.
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主分类号
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