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经营范围
发明名称
Art of lubrication
摘要
申请公布号
US2400492(A)
申请公布日期
1946.05.21
申请号
US19430495890
申请日期
1943.07.23
申请人
SINCLAIR REFINING COMPANY
发明人
FINLEY WILLARD L.;KIRK JAMES H.
分类号
主分类号
代理机构
代理人
主权项
地址
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