Improving color of lubricating oils and waxes,申请号US19550556424-传众专利搜索

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发明名称	Improving color of lubricating oils and waxes
摘要
申请公布号	US2890963(A)	申请公布日期	1959.06.16
申请号	US19550556424	申请日期	1955.12.30
申请人	SUN OIL COMPANY	发明人	FEAR JAMES VAN DYCK
分类号	C10G73/02	主分类号	C10G73/02
代理机构		代理人
主权项
地址

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