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经营范围
发明名称
Lubricating oil
摘要
申请公布号
US1945615(A)
申请公布日期
1934.02.06
申请号
US19320622462
申请日期
1932.07.14
申请人
CONTINENTAL OIL COMPANY
发明人
LINCOLN BERT H.;HENRIKSEN ALFRED
分类号
主分类号
代理机构
代理人
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