Method of producing lubricating oil,申请号US19320619609-传众专利搜索

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发明名称	Method of producing lubricating oil
摘要
申请公布号	US2024968(A)	申请公布日期	1935.12.17
申请号	US19320619609	申请日期	1932.06.27
申请人	FIELDS JOHN D	发明人	FIELDS JOHN D.
分类号	C10G25/00	主分类号	C10G25/00
代理机构		代理人
主权项
地址

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