Treatment of lubricating oils,申请号US19460671990-传众专利搜索

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发明名称	Treatment of lubricating oils
摘要
申请公布号	US2487306(A)	申请公布日期	1949.11.08
申请号	US19460671990	申请日期	1946.05.24
申请人	PHILLIPS PETROLEUM COMPANY	发明人	CARNELL PAUL H.
分类号	C10G17/07	主分类号	C10G17/07
代理机构		代理人
主权项
地址

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